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Known Exploited Vulnerability
6.1
MEDIUM CVSS 3.1
CVE-2022-27926
Zimbra Collaboration (ZCS) Cross-Site Scripting (XSS) Vulnerability - [Actively Exploited]
Description

A reflected cross-site scripting (XSS) vulnerability in the /public/launchNewWindow.jsp component of Zimbra Collaboration (aka ZCS) 9.0 allows unauthenticated attackers to execute arbitrary web script or HTML via request parameters.

INFO

Published Date :

April 21, 2022, 12:15 a.m.

Last Modified :

July 30, 2025, 7:08 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
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 :

Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability by allowing an endpoint URL to accept parameters without sanitizing.

Required Action :

Apply updates per vendor instructions.

Notes :

https://wiki.zimbra.com/wiki/Security_Center; https://nvd.nist.gov/vuln/detail/CVE-2022-27926

Affected Products

The following products are affected by CVE-2022-27926 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 Zimbra collaboration
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
This information is provided by the 3rd party feeds.
  • Upgrade to version 8.8.15 Patch 31, 9.0.0 Patch 24, or later.
Public PoC/Exploit Available at Github

CVE-2022-27926 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2022-27926.

URL Resource
https://wiki.zimbra.com/wiki/Security_Center Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24 Release Notes Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory
https://wiki.zimbra.com/wiki/Security_Center Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24 Release Notes Vendor Advisory
https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-27926 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-2022-27926 weaknesses.

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
lamcodeofpwnosec/lamcodeofpwnosec

None

HTML

Updated: 4 months, 3 weeks ago
0 stars 0 fork 0 watcher
Born at : Oct. 18, 2024, 3:05 a.m. This repo has been linked 5 different CVEs too.
Profile Photo
functionofpwnosec/functionofpwnosec

None

JavaScript

Updated: 10 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : Oct. 9, 2024, 3:16 p.m. This repo has been linked 6 different CVEs too.
Profile Photo
Ostorlab/KEV

Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.

cisa-kev vulnerability 0day cisa exploits

Updated: 2 weeks, 3 days ago
581 stars 42 fork 42 watcher
Born at : April 19, 2022, 8:58 a.m. This repo has been linked 1287 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-2022-27926 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2022-27926 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.

  • Modified Analysis by [email protected]

    Jul. 30, 2025

    Action Type Old Value New Value
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jul. 30, 2025

    Action Type Old Value New Value
    Added CWE CWE-79
  • Modified Analysis by [email protected]

    Mar. 13, 2025

    Action Type Old Value New Value
    Added CWE CWE-79
  • CVE CISA KEV Update by 9119a7d8-5eab-497f-8521-727c672e3725

    Feb. 25, 2025

    Action Type Old Value New Value
    Changed Vulnerability Name Zimbra Collaboration (ZCS) Cross-Site Scripting (XSS) Vulnerability Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jan. 29, 2025

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

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://wiki.zimbra.com/wiki/Security_Center
    Added Reference https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24
    Added Reference https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Apr. 29, 2022

    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:N/C:N/I:P/A:N)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    Changed Reference Type https://wiki.zimbra.com/wiki/Security_Center No Types Assigned https://wiki.zimbra.com/wiki/Security_Center Vendor Advisory
    Changed Reference Type https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24 No Types Assigned https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P24 Release Notes, Vendor Advisory
    Changed Reference Type https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories No Types Assigned https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories Vendor Advisory
    Added CWE NIST CWE-79
    Added CPE Configuration OR *cpe:2.3:a:zimbra:collaboration:9.0.0:-:*:*:*:*:*:*
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.
Vulnerability Scoring Details
Base CVSS Score: 6.1
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 4.3
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

94.28 }} 0.08%

score

0.99931

percentile