NetSight
medium5.4

CVE-2025-53487

The ApprovedRevs extension for MediaWiki is vulnerable to stored XSS in multiple locations where system messages are inserted into raw HTML without proper esca…

Impact

The ApprovedRevs extension for MediaWiki is vulnerable to stored XSS in multiple locations where system messages are inserted into raw HTML without proper escaping. Attackers can exploit this by injecting JavaScript payloads via the uselang=x-xss language override, which causes crafted message keys to be rendered unescaped. This issue affects Mediawiki - ApprovedRevs extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

Affected products

ProductAffected versions
Mediawiki - ApprovedRevs Extension: From 1.39.X
before 1.39.13
From 1.42.X
before 1.42.7
From 1.43.X
before 1.43.2.

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References