Medium severity · published Jan 9, 2026
CVE-2026-22712
ApprovedRevs allows bypassing the inline CSS sanitizer
4.3
CVSS
0.2%
EPSS
No
On KEV
Description
Improper Encoding or Escaping of Output due to magic word replacement in ParserAfterTidy vulnerability in The Wikimedia Foundation Mediawiki - ApprovedRevs Extension allows Input Data Manipulation.This issue affects Mediawiki - ApprovedRevs Extension: 1.45, 1.44, 1.43, 1.39.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Mediawiki - ApprovedRevs Extension · The Wikimedia Foundation
1.45; 1.44; 1.43; 1.39 · source: vendor
AR
Approved Revs · Wikiworks
1.39; 1.43; 1.44; 1.45 · source: NVD
Affected product
MA
Mediawiki - ApprovedRevs Extension
The Wikimedia Foundation