CVE-2026-22712
ApprovedRevs allows bypassing the inline CSS sanitizer
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.
INFO
Published Date :
Jan. 9, 2026, 12:15 a.m.
Last Modified :
Feb. 12, 2026, 5:50 p.m.
Remotely Exploit :
Yes !
Source :
c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc | ||||
| CVSS 4.0 | LOW | c4f26cc8-17ff-4c99-b5e2-38fc1793eacc |
Solution
- Update the Mediawiki ApprovedRevs Extension to the latest version.
- Apply vendor-provided patches to mitigate the vulnerability.
- Review and sanitize all user-supplied input data.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-22712.
| URL | Resource |
|---|---|
| https://gerrit.wikimedia.org/r/q/Iee1bf1cbc8a519899e7f9dde508856bd4e5a5d2a | Patch |
| https://phabricator.wikimedia.org/T412068 | Exploit Issue Tracking |
| https://phabricator.wikimedia.org/T412068 | Exploit Issue Tracking |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-22712 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-22712
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-22712 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-22712 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Feb. 12, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N Added CPE Configuration OR *cpe:2.3:a:wikiworks:approved_revs:1.39:*:*:*:*:mediawiki:*:* *cpe:2.3:a:wikiworks:approved_revs:1.43:*:*:*:*:mediawiki:*:* *cpe:2.3:a:wikiworks:approved_revs:1.44:*:*:*:*:mediawiki:*:* *cpe:2.3:a:wikiworks:approved_revs:1.45:*:*:*:*:mediawiki:*:* Added Reference Type wikimedia-foundation: https://gerrit.wikimedia.org/r/q/Iee1bf1cbc8a519899e7f9dde508856bd4e5a5d2a Types: Patch Added Reference Type CISA-ADP: https://phabricator.wikimedia.org/T412068 Types: Exploit, Issue Tracking Added Reference Type wikimedia-foundation: https://phabricator.wikimedia.org/T412068 Types: Exploit, Issue Tracking -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jan. 09, 2026
Action Type Old Value New Value Added Reference https://phabricator.wikimedia.org/T412068 -
New CVE Received by c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Jan. 09, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CWE CWE-116 Added Reference https://gerrit.wikimedia.org/r/q/Iee1bf1cbc8a519899e7f9dde508856bd4e5a5d2a Added Reference https://phabricator.wikimedia.org/T412068