Known Exploited Vulnerability
9.8
CRITICAL
CVE-2016-10033
PHPMailer Command Injection Vulnerability - [Actively Exploited]
Description

The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a \" (backslash double quote) in a crafted Sender property.

INFO

Published Date :

Dec. 30, 2016, 7:59 p.m.

Last Modified :

July 8, 2025, 1 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
CISA Notification
CISA KEV (Known Exploited Vulnerabilities)

For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild.

Description :

PHPMailer contains a command injection vulnerability because it fails to sanitize user-supplied input. Specifically, this issue affects the 'mail()' function of 'class.phpmailer.php' script. An attacker can exploit this issue to execute arbitrary code within the context of the application. Failed exploit attempts will result in a denial-of-service condition.

Required Action :

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes :

This vulnerability could affect an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18 ; https://github.com/advisories/GHSA-5f37-gxvh-23v6 ; https://nvd.nist.gov/vuln/detail/CVE-2016-10033

Public PoC/Exploit Available at Github

CVE-2016-10033 has a 199 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2016-10033 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Joomla joomla\!
1 Wordpress wordpress
1 Phpmailer_project phpmailer
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2016-10033.

URL Resource
http://packetstormsecurity.com/files/140291/PHPMailer-Remote-Code-Execution.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2016/Dec/78 Mailing List Patch Third Party Advisory
http://www.rapid7.com/db/modules/exploit/multi/http/phpmailer_arg_injection Exploit Third Party Advisory
http://www.securityfocus.com/archive/1/539963/100/0/threaded Broken Link Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/95108 Broken Link Exploit Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037533 Broken Link Third Party Advisory VDB Entry
https://developer.joomla.org/security-centre/668-20161205-phpmailer-security-advisory.html Third Party Advisory
https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18 Patch Vendor Advisory
https://github.com/PHPMailer/PHPMailer/wiki/About-the-CVE-2016-10033-and-CVE-2016-10045-vulnerabilities Patch Vendor Advisory
https://legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10033-Vuln.html Exploit Patch Third Party Advisory
https://www.drupal.org/psa-2016-004 Third Party Advisory
https://www.exploit-db.com/exploits/40968/ Exploit Patch Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/40969/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/40970/ Exploit Patch Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/40974/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/40986/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/41962/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/41996/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/42024/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/42221/ Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/140291/PHPMailer-Remote-Code-Execution.html Exploit Third Party Advisory VDB Entry
http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html Exploit Third Party Advisory VDB Entry
http://seclists.org/fulldisclosure/2016/Dec/78 Mailing List Patch Third Party Advisory
http://www.rapid7.com/db/modules/exploit/multi/http/phpmailer_arg_injection Exploit Third Party Advisory
http://www.securityfocus.com/archive/1/539963/100/0/threaded Broken Link Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/95108 Broken Link Exploit Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1037533 Broken Link Third Party Advisory VDB Entry
https://developer.joomla.org/security-centre/668-20161205-phpmailer-security-advisory.html Third Party Advisory
https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18 Patch Vendor Advisory
https://github.com/PHPMailer/PHPMailer/wiki/About-the-CVE-2016-10033-and-CVE-2016-10045-vulnerabilities Patch Vendor Advisory
https://legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10033-Vuln.html Exploit Patch Third Party Advisory
https://www.drupal.org/psa-2016-004 Third Party Advisory
https://www.exploit-db.com/exploits/40968/ Exploit Patch Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/40969/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/40970/ Exploit Patch Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/40974/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/40986/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/41962/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/41996/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/42024/ Exploit Third Party Advisory VDB Entry
https://www.exploit-db.com/exploits/42221/ Exploit Third Party Advisory VDB Entry

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

An automated system that fetches real-world exploited vulnerabilities daily from trusted sources like CISA, enriches them with relevant details (attack, impact, remediation), and delivers them via email. Powered by GitHub Actions, this project helps individuals and teams stay up to date with the latest threats — one daily tip at a time.

Python

Updated: 1 week, 4 days ago
0 stars 0 fork 0 watcher
Born at : July 8, 2025, 7:20 a.m. This repo has been linked 2 different CVEs too.

None

Python

Updated: 3 weeks, 2 days ago
0 stars 2 fork 2 watcher
Born at : June 25, 2025, 8:26 p.m. This repo has been linked 2 different CVEs too.

None

PHP Shell

Updated: 1 month, 1 week ago
0 stars 0 fork 0 watcher
Born at : June 6, 2025, 3:19 a.m. This repo has been linked 3 different CVEs too.

None

PHP HTML Hack

Updated: 2 months ago
0 stars 0 fork 0 watcher
Born at : May 16, 2025, 2:35 p.m. This repo has been linked 3 different CVEs too.

A PoC of CVE-2016-2098 I made for PentesterLab

Python

Updated: 2 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : April 25, 2025, 4:02 p.m. This repo has been linked 2 different CVEs too.

A PoC of CVE-2016-10033 I made for PentesterLab

Python

Updated: 2 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : April 25, 2025, 3:47 p.m. This repo has been linked 1 different CVEs too.

None

PHP Shell

Updated: 2 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : April 22, 2025, 12:29 p.m. This repo has been linked 3 different CVEs too.

None

PHP Hack CSS HTML

Updated: 3 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : March 23, 2025, 12:43 p.m. This repo has been linked 3 different CVEs too.

Made a travel App using SQL

PHP

Updated: 5 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Feb. 9, 2025, 9:29 a.m. This repo has been linked 3 different CVEs too.

None

PHP JavaScript Hack CSS

Updated: 6 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : Jan. 11, 2025, 12:52 p.m. This repo has been linked 3 different CVEs too.

None

Dockerfile Shell PHP HTML JavaScript CSS

Updated: 6 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Jan. 3, 2025, 4:52 a.m. This repo has been linked 1 different CVEs too.

None

Dockerfile Shell PHP HTML JavaScript CSS

Updated: 6 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Dec. 30, 2024, 10:07 a.m. This repo has been linked 1 different CVEs too.

None

PHP Shell

Updated: 7 months ago
0 stars 0 fork 0 watcher
Born at : Dec. 17, 2024, 8:02 p.m. This repo has been linked 3 different CVEs too.

None

PHP Shell

Updated: 7 months ago
0 stars 0 fork 0 watcher
Born at : Dec. 17, 2024, 9:25 a.m. This repo has been linked 3 different CVEs too.

None

PHP Hack CSS JavaScript Shell HTML

Updated: 8 months ago
0 stars 0 fork 0 watcher
Born at : Nov. 15, 2024, 11:45 p.m. This repo has been linked 3 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2016-10033 vulnerability anywhere in the article.

  • Cyber Security News
CISA Warns of PHPMailer Command Injection Vulnerability Exploited in Attacks

Key Takeaways1. CVE-2016-10033 in PHPMailer allows attackers to execute arbitrary code through command injection in the mail() function.2. The vulnerability is being exploited in live cyberattacks, ri ... Read more

Published Date: Jul 08, 2025 (1 week, 4 days ago)
  • Cyber Security News
macOS SMBClient Vulnerability Allows Remote Code Execution and Kernel Crash

Multiple vulnerabilities in macOS SMBClient that could allow attackers to execute arbitrary code remotely and crash systems. The vulnerabilities affecting the SMB filesystem client used for mounting r ... Read more

Published Date: Jul 08, 2025 (1 week, 4 days ago)
  • Cyber Security News
CISA Warns of Zimbra Collaboration Suite (ZCS) Vulnerability Exploited in Attacks

CISA has issued an urgent warning regarding a critical vulnerability in Synacor’s Zimbra Collaboration Suite (ZCS) that is being actively exploited in cyberattacks. The vulnerability, tracked as CVE-2 ... Read more

Published Date: Jul 08, 2025 (1 week, 4 days ago)
  • The Hacker News
CISA Adds Four Critical Vulnerabilities to KEV Catalog Due to Active Exploitation

Cyber Attacks / Vulnerability The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added four security flaws to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence ... Read more

Published Date: Jul 08, 2025 (1 week, 4 days ago)
  • The Hacker News
CISA Adds Four Critical Vulnerabilities to KEV Catalog Due to Active Exploitation

Jul 08, 2025Ravie LakshmananCyber Attacks / Vulnerability The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added four security flaws to its Known Exploited Vulnerabilities ... Read more

Published Date: Jul 08, 2025 (1 week, 4 days ago)

The following table lists the changes that have been made to the CVE-2016-10033 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Jul. 08, 2025

    Action Type Old Value New Value
    Added Date Added 2025-07-07
    Added Due Date 2025-07-28
    Added Required Action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
    Added Vulnerability Name PHPMailer Command Injection Vulnerability
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 07, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-88
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/140291/PHPMailer-Remote-Code-Execution.html
    Added Reference http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html
    Added Reference http://seclists.org/fulldisclosure/2016/Dec/78
    Added Reference http://www.rapid7.com/db/modules/exploit/multi/http/phpmailer_arg_injection
    Added Reference http://www.securityfocus.com/archive/1/539963/100/0/threaded
    Added Reference http://www.securityfocus.com/bid/95108
    Added Reference http://www.securitytracker.com/id/1037533
    Added Reference https://developer.joomla.org/security-centre/668-20161205-phpmailer-security-advisory.html
    Added Reference https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18
    Added Reference https://github.com/PHPMailer/PHPMailer/wiki/About-the-CVE-2016-10033-and-CVE-2016-10045-vulnerabilities
    Added Reference https://legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10033-Vuln.html
    Added Reference https://www.drupal.org/psa-2016-004
    Added Reference https://www.exploit-db.com/exploits/40968/
    Added Reference https://www.exploit-db.com/exploits/40969/
    Added Reference https://www.exploit-db.com/exploits/40970/
    Added Reference https://www.exploit-db.com/exploits/40974/
    Added Reference https://www.exploit-db.com/exploits/40986/
    Added Reference https://www.exploit-db.com/exploits/41962/
    Added Reference https://www.exploit-db.com/exploits/41996/
    Added Reference https://www.exploit-db.com/exploits/42024/
    Added Reference https://www.exploit-db.com/exploits/42221/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Feb. 14, 2024

    Action Type Old Value New Value
    Changed Reference Type http://www.securityfocus.com/archive/1/539963/100/0/threaded Third Party Advisory, VDB Entry http://www.securityfocus.com/archive/1/539963/100/0/threaded Broken Link, Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securityfocus.com/bid/95108 Exploit, Third Party Advisory, VDB Entry http://www.securityfocus.com/bid/95108 Broken Link, Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securitytracker.com/id/1037533 Third Party Advisory, VDB Entry http://www.securitytracker.com/id/1037533 Broken Link, Third Party Advisory, VDB Entry
    Removed CWE NIST CWE-77
    Added CWE NIST CWE-88
  • Modified Analysis by [email protected]

    Sep. 30, 2021

    Action Type Old Value New Value
    Removed CVSS V3 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://packetstormsecurity.com/files/140291/PHPMailer-Remote-Code-Execution.html Exploit, Third Party Advisory http://packetstormsecurity.com/files/140291/PHPMailer-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html Exploit, Third Party Advisory http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type http://seclists.org/fulldisclosure/2016/Dec/78 Mailing List, Patch http://seclists.org/fulldisclosure/2016/Dec/78 Mailing List, Patch, Third Party Advisory
    Changed Reference Type http://www.securityfocus.com/archive/1/539963/100/0/threaded No Types Assigned http://www.securityfocus.com/archive/1/539963/100/0/threaded Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securitytracker.com/id/1037533 No Types Assigned http://www.securitytracker.com/id/1037533 Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/40968/ Exploit, Patch, Third Party Advisory https://www.exploit-db.com/exploits/40968/ Exploit, Patch, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/40969/ No Types Assigned https://www.exploit-db.com/exploits/40969/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/40970/ Exploit, Patch, Third Party Advisory https://www.exploit-db.com/exploits/40970/ Exploit, Patch, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/40974/ No Types Assigned https://www.exploit-db.com/exploits/40974/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/40986/ No Types Assigned https://www.exploit-db.com/exploits/40986/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/41962/ No Types Assigned https://www.exploit-db.com/exploits/41962/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/41996/ No Types Assigned https://www.exploit-db.com/exploits/41996/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/42024/ No Types Assigned https://www.exploit-db.com/exploits/42024/ Exploit, Third Party Advisory, VDB Entry
    Changed Reference Type https://www.exploit-db.com/exploits/42221/ No Types Assigned https://www.exploit-db.com/exploits/42221/ Exploit, Third Party Advisory, VDB Entry
    Changed CPE Configuration OR *cpe:2.3:a:phpmailer_project:phpmailer:*:*:*:*:*:*:*:* versions up to (including) 5.2.17 OR *cpe:2.3:a:phpmailer_project:phpmailer:*:*:*:*:*:*:*:* versions up to (excluding) 5.2.18
    Added CPE Configuration OR *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions up to (including) 4.7
    Added CPE Configuration OR *cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:* versions from (including) 1.5.0 up to (including) 3.6.5
  • CVE Modified by [email protected]

    Oct. 09, 2018

    Action Type Old Value New Value
    Removed Reference http://www.securityfocus.com/archive/1/archive/1/539963/100/0/threaded [Exploit, Patch, Third Party Advisory]
    Added Reference http://www.securityfocus.com/archive/1/539963/100/0/threaded [No Types Assigned]
  • CVE Modified by [email protected]

    Sep. 03, 2017

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/40986/ [No Types Assigned]
    Added Reference https://www.exploit-db.com/exploits/40974/ [No Types Assigned]
    Added Reference https://www.exploit-db.com/exploits/40969/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 16, 2017

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/41996/ [No Types Assigned]
    Added Reference https://www.exploit-db.com/exploits/41962/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 13, 2017

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/42024/ [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 12, 2017

    Action Type Old Value New Value
    Added Reference https://www.exploit-db.com/exploits/42221/ [No Types Assigned]
  • CVE Modified by [email protected]

    Jul. 27, 2017

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1037533 [No Types Assigned]
  • CVE Modified by [email protected]

    Jan. 26, 2017

    Action Type Old Value New Value
    Changed Description The mailSend function in the isMail transport in PHPMailer before 5.2.18, when the Sender property is not set, might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a \" (backslash double quote) in a crafted From address. The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a \" (backslash double quote) in a crafted Sender property.
  • Modified Analysis by [email protected]

    Jan. 23, 2017

    Action Type Old Value New Value
    Changed CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P) (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Changed CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://www.rapid7.com/db/modules/exploit/multi/http/phpmailer_arg_injection No Types Assigned http://www.rapid7.com/db/modules/exploit/multi/http/phpmailer_arg_injection Third Party Advisory, Exploit
    Changed Reference Type http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html No Types Assigned http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html Third Party Advisory, Exploit
  • CVE Modified by [email protected]

    Jan. 07, 2017

    Action Type Old Value New Value
    Added Reference http://www.rapid7.com/db/modules/exploit/multi/http/phpmailer_arg_injection [No Types Assigned]
    Added Reference http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 03, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18 No Types Assigned https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18 Vendor Advisory, Patch
    Changed Reference Type https://www.exploit-db.com/exploits/40970/ No Types Assigned https://www.exploit-db.com/exploits/40970/ Third Party Advisory, Exploit, Patch
    Changed Reference Type https://www.exploit-db.com/exploits/40968/ No Types Assigned https://www.exploit-db.com/exploits/40968/ Third Party Advisory, Exploit, Patch
    Changed Reference Type http://seclists.org/fulldisclosure/2016/Dec/78 No Types Assigned http://seclists.org/fulldisclosure/2016/Dec/78 Mailing List, Patch
    Changed Reference Type http://www.securityfocus.com/bid/95108 No Types Assigned http://www.securityfocus.com/bid/95108 Third Party Advisory, VDB Entry, Exploit
    Changed Reference Type https://github.com/PHPMailer/PHPMailer/wiki/About-the-CVE-2016-10033-and-CVE-2016-10045-vulnerabilities No Types Assigned https://github.com/PHPMailer/PHPMailer/wiki/About-the-CVE-2016-10033-and-CVE-2016-10045-vulnerabilities Vendor Advisory, Patch
    Changed Reference Type https://legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10033-Vuln.html No Types Assigned https://legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10033-Vuln.html Third Party Advisory, Exploit, Patch
    Changed Reference Type https://developer.joomla.org/security-centre/668-20161205-phpmailer-security-advisory.html No Types Assigned https://developer.joomla.org/security-centre/668-20161205-phpmailer-security-advisory.html Third Party Advisory
    Changed Reference Type http://packetstormsecurity.com/files/140291/PHPMailer-Remote-Code-Execution.html No Types Assigned http://packetstormsecurity.com/files/140291/PHPMailer-Remote-Code-Execution.html Third Party Advisory, Exploit
    Changed Reference Type http://www.securityfocus.com/archive/1/archive/1/539963/100/0/threaded No Types Assigned http://www.securityfocus.com/archive/1/archive/1/539963/100/0/threaded Third Party Advisory, Exploit, Patch
    Changed Reference Type https://www.drupal.org/psa-2016-004 No Types Assigned https://www.drupal.org/psa-2016-004 Third Party Advisory
    Added CWE CWE-77
    Added CPE Configuration OR *cpe:2.3:a:phpmailer_project:phpmailer:5.2.17:*:*:*:*:*:*:* (and previous)
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2016-10033 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

94.45 }} 0.03%

score

0.99990

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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Latest DB Update: Jul. 19, 2025 17:31