PT-2026-2257 · Unknown+1 · Approvedrevs Extension+1

Somerandomdeveloper · Published 2026-01-09 · Updated 2026-01-09 · CVE-2026-22712

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Mediawiki - ApprovedRevs Extension versions 1.39 through 1.45

Description The Mediawiki - ApprovedRevs Extension contains a flaw related to improper encoding or escaping of output due to magic word replacement in ParserAfterTidy. This can lead to input data manipulation by bypassing the inline CSS sanitizer.

Recommendations Update to a version later than 1.45.

Exploit

Fix

Improper Encoding or Escaping of Output

Weakness Enumeration

CWE-116

Related Identifiers

CVE-2026-22712

Affected Products

Approvedrevs Extension

Mediawiki

References · 6

• 🔥 https://phabricator.wikimedia.org/T412068 · Exploit
• https://gerrit.wikimedia.org/r/q/Iee1bf1cbc8a519899e7f9dde508856bd4e5a5d2a · Patch
• https://osv.dev/vulnerability/CVE-2026-22712 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-22712 · Security Note
• https://t.me/CVEtracker/41784 · Telegram Post
• https://twitter.com/CVEnew/status/2009462321597571353 · Twitter Post