PT-2025-28178 · Unknown+1 · Approvedrevs Extension+1

Somerandomdeveloper · Published 2025-07-07 · Updated 2025-07-07 · CVE-2025-53487

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: ApprovedRevs extension for MediaWiki versions 1.39.X through 1.39.12 ApprovedRevs extension for MediaWiki versions 1.42.X through 1.42.6 ApprovedRevs extension for MediaWiki versions 1.43.X through 1.43.1

Description: The issue is related 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.

Recommendations: For versions 1.39.X, update to version 1.39.13 or later. For versions 1.42.X, update to version 1.42.7 or later. For versions 1.43.X, update to version 1.43.2 or later.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-53487

Affected Products

Approvedrevs Extension

Mediawiki

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-53487 · Security Note
• https://phabricator.wikimedia.org/T394383 · Note
• https://gerrit.wikimedia.org/r/q/Ifcab085111e7898da485a5e2ae287fee4e6d167b · Note
• https://twitter.com/CVEnew/status/1942246211928592709 · Twitter Post