8.7
HIGH
CVE-2020-11026
WordPress Media File Upload Script Execution Vulnerability
Description

In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).

INFO

Published Date :

April 30, 2020, 11:15 p.m.

Last Modified :

March 1, 2023, 4:45 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.8

Exploitability Score :

2.3
Public PoC/Exploit Available at Github

CVE-2020-11026 has a 3 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-2020-11026 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 Debian debian_linux
1 Wordpress wordpress
: Total Affected Vendor : 2 | Products : 2
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-2020-11026.

URL Resource
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-3gw2-4656-pfr2 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00011.html Mailing List Third Party Advisory
https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updates Release Notes Vendor Advisory
https://www.debian.org/security/2020/dsa-4677 Third Party Advisory

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).

Profile Photo
Afetter618/WordPress-PenTest

WordPress Pen Testing

Updated: 3 months ago
3 stars 0 fork 0 watcher
Born at : Oct. 23, 2022, 8:42 p.m. This repo has been linked 100 different CVEs too.
Profile Photo
El-Palomo/DerpNStink

Desarrollo del CTF DerpNStink

Updated: 3 years, 6 months ago
0 stars 1 fork 1 watcher
Born at : April 22, 2021, 1:40 p.m. This repo has been linked 41 different CVEs too.
Profile Photo
El-Palomo/SYMFONOS

Desarrollo del CTF SYMFONOS

Updated: 3 years, 7 months ago
0 stars 0 fork 0 watcher
Born at : March 28, 2021, 1:13 a.m. This repo has been linked 46 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-2020-11026 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-11026 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 Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Modified Analysis by [email protected]

    Mar. 01, 2023

    Action Type Old Value New Value
    Changed Reference Type https://lists.debian.org/debian-lts-announce/2020/05/msg00011.html No Types Assigned https://lists.debian.org/debian-lts-announce/2020/05/msg00011.html Mailing List, Third Party Advisory
    Changed CPE Configuration OR *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions up to (excluding) 5.4.1 OR *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 3.7 up to (excluding) 3.7.33 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 3.8 up to (excluding) 3.8.33 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 3.9 up to (excluding) 3.9.31 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.0 up to (excluding) 4.0.30 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.1 up to (excluding) 4.1.30 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.2 up to (excluding) 4.2.27 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.3 up to (excluding) 4.3.23 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.4 up to (excluding) 4.4.22 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.5.21 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.6 up to (excluding) 4.6.18 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.7 up to (excluding) 4.7.17 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.8 up to (excluding) 4.8.13 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 4.9 up to (excluding) 4.9.14 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.0 up to (excluding) 5.0.9 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.1 up to (excluding) 5.1.5 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.2 up to (excluding) 5.2.6 *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions from (including) 5.3 up to (excluding) 5.3.3 *cpe:2.3:a:wordpress:wordpress:5.4:*:*:*:*:*:*:*
    Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CPE Deprecation Remap by [email protected]

    Aug. 18, 2020

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:* OR *cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 11, 2020

    Action Type Old Value New Value
    Added Reference https://lists.debian.org/debian-lts-announce/2020/05/msg00011.html [No Types Assigned]
  • Initial Analysis by [email protected]

    May. 07, 2020

    Action Type Old Value New Value
    Added CVSS V2 Metadata Victim must voluntarily interact with attack mechanism
    Added CVSS V2 NIST (AV:N/AC:M/Au:S/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-3gw2-4656-pfr2 No Types Assigned https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-3gw2-4656-pfr2 Third Party Advisory
    Changed Reference Type https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updates No Types Assigned https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updates Release Notes, Vendor Advisory
    Changed Reference Type https://www.debian.org/security/2020/dsa-4677 No Types Assigned https://www.debian.org/security/2020/dsa-4677 Third Party Advisory
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:* versions up to (excluding) 5.4.1
    Added CPE Configuration OR *cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* *cpe:2.3:o:debian:debian_linux:10:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    May. 06, 2020

    Action Type Old Value New Value
    Added Reference https://www.debian.org/security/2020/dsa-4677 [No Types Assigned]
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-2020-11026 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-11026 weaknesses.

CAPEC-63: Cross-Site Scripting (XSS) Cross-Site Scripting (XSS) CAPEC-85: AJAX Footprinting AJAX Footprinting CAPEC-209: XSS Using MIME Type Mismatch XSS Using MIME Type Mismatch CAPEC-588: DOM-Based XSS DOM-Based XSS CAPEC-591: Reflected XSS Reflected XSS CAPEC-592: Stored XSS Stored XSS CAPEC-3: Using Leading 'Ghost' Character Sequences to Bypass Input Filters Using Leading 'Ghost' Character Sequences to Bypass Input Filters CAPEC-7: Blind SQL Injection Blind SQL Injection CAPEC-43: Exploiting Multiple Input Interpretation Layers Exploiting Multiple Input Interpretation Layers CAPEC-52: Embedding NULL Bytes Embedding NULL Bytes CAPEC-53: Postfix, Null Terminate, and Backslash Postfix, Null Terminate, and Backslash CAPEC-64: Using Slashes and URL Encoding Combined to Bypass Validation Logic Using Slashes and URL Encoding Combined to Bypass Validation Logic CAPEC-78: Using Escaped Slashes in Alternate Encoding Using Escaped Slashes in Alternate Encoding CAPEC-79: Using Slashes in Alternate Encoding Using Slashes in Alternate Encoding CAPEC-83: XPath Injection XPath Injection CAPEC-84: XQuery Injection XQuery Injection CAPEC-250: XML Injection XML Injection CAPEC-276: Inter-component Protocol Manipulation Inter-component Protocol Manipulation CAPEC-277: Data Interchange Protocol Manipulation Data Interchange Protocol Manipulation CAPEC-278: Web Services Protocol Manipulation Web Services Protocol Manipulation CAPEC-279: SOAP Manipulation SOAP Manipulation CAPEC-468: Generic Cross-Browser Cross-Domain Theft Generic Cross-Browser Cross-Domain Theft
Exploit Prediction

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

0.32 }} 0.00%

score

0.66193

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: