Vulnerability · Published Jul 7, 2025 · Assigned by wikimedia-foundation

CVE-2025-53497Stored XSS in RelatedArticles

Medium 5.4

In plain English

A medium-severity cross-site scripting in Mediawiki - RelatedArticles Extension from Wikimedia Foundation. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 10% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.2%top 90.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - RelatedArticles Extension allows Stored XSS.This issue affects Mediawiki - RelatedArticles Extension: from 1.43.X before 1.43.2.

Affected products (as reported)

VendorProductVersions
Wikimedia Foundation Mediawiki - RelatedArticles Extension 1.43.x – before 1.43.2

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References