PT-2025-27810 · Mediawiki · Mediawiki+1

Legoktm · Published 2025-07-03 · Updated 2025-07-03 · CVE-2025-53502

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Mediawiki - FeaturedFeeds Extension versions 1.39.X through 1.43.X

Description: The issue is related to an Improper Input Validation vulnerability that allows Cross-Site Scripting (XSS) in the Mediawiki - FeaturedFeeds Extension.

Recommendations: For versions 1.39.X through 1.43.X, consider disabling the FeaturedFeeds Extension until a patch is available to prevent potential Cross-Site Scripting (XSS) attacks.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2025-53502

Affected Products

Featuredfeeds Extension

Mediawiki

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-53502 · Security Note
• https://gerrit.wikimedia.org/r/c/mediawiki/extensions/FeaturedFeeds/+/1149742 · Note
• https://twitter.com/CVEnew/status/1940807639803285870 · Twitter Post
• https://t.me/cvenotify/127645 · Telegram Post
• https://phabricator.wikimedia.org/T392279 · Note