6.9
MEDIUM CVSS 4.0
CVE-2025-62667
Stored XSS through article extracts in GrowthExperiments
Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Stored XSS.This issue affects Mediawiki - GrowthExperiments Extension: from master before 1.39.

INFO

Published Date :

Oct. 18, 2025, 5:15 a.m.

Last Modified :

Oct. 18, 2025, 5:15 a.m.

Remotely Exploit :

Yes !

Source :

c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Affected Products

The following products are affected by CVE-2025-62667 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.

No affected product recoded yet

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 4.0 MEDIUM c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
CVSS 4.0 MEDIUM c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Solution
Update the Mediawiki GrowthExperiments Extension to a patched version to prevent stored XSS.
  • Update the Mediawiki GrowthExperiments Extension to a version later than master.
  • Apply any available security patches for the extension.
  • Validate that the vulnerability is no longer present.
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-2025-62667.

URL Resource
https://gerrit.wikimedia.org/r/q/Iafd0acccf9a5c20d9e955d7bc3de1304968401ec
https://phabricator.wikimedia.org/T402698
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-62667 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-2025-62667 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).

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

The following list is the news that have been mention CVE-2025-62667 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-62667 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.

  • New CVE Received by c4f26cc8-17ff-4c99-b5e2-38fc1793eacc

    Oct. 18, 2025

    Action Type Old Value New Value
    Added Description Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Stored XSS.This issue affects Mediawiki - GrowthExperiments Extension: from master before 1.39.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CWE CWE-79
    Added Reference https://gerrit.wikimedia.org/r/q/Iafd0acccf9a5c20d9e955d7bc3de1304968401ec
    Added Reference https://phabricator.wikimedia.org/T402698
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: 6.9
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability