ApprovedRevs allows bypassing the inline CSS sanitizer
Priority MEDIUM 45CWE-116Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00237 14th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Wikimedia Foundation | Mediawiki - ApprovedRevs Extension | 1.45; 1.44; 1.43; 1.39 | — | No fix listed | CNA |
- Mediawiki - ApprovedRevs Extension VendorWikimedia Foundation Affected 1.45; 1.44; 1.43; 1.39 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:wikiworks:approved_revs:1.39:*:*:*:*:mediawiki:*:* | 1.39 | Vulnerable | Wikiworks |
| cpe:2.3:a:wikiworks:approved_revs:1.43:*:*:*:*:mediawiki:*:* | 1.43 | Vulnerable | Wikiworks |
| cpe:2.3:a:wikiworks:approved_revs:1.44:*:*:*:*:mediawiki:*:* | 1.44 | Vulnerable | Wikiworks |
| cpe:2.3:a:wikiworks:approved_revs:1.45:*:*:*:*:mediawiki:*:* | 1.45 | Vulnerable | Wikiworks |
- cpe:2.3:a:wikiworks:approved_revs:1.39:*:*:*:*:mediawiki:*:* Versions 1.39 Vulnerable ·Wikiworks
- cpe:2.3:a:wikiworks:approved_revs:1.43:*:*:*:*:mediawiki:*:* Versions 1.43 Vulnerable ·Wikiworks
- cpe:2.3:a:wikiworks:approved_revs:1.44:*:*:*:*:mediawiki:*:* Versions 1.44 Vulnerable ·Wikiworks
- cpe:2.3:a:wikiworks:approved_revs:1.45:*:*:*:*:mediawiki:*:* Versions 1.45 Vulnerable ·Wikiworks
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-22712
- 2026-10-03 Alias added: GHSA-mrvc-5w25-h6c4
References
More Wikimedia Foundation vulnerabilities
- TI-2025-11006 The compare API module breaks Extension:Lockdown CVSS 4.0CRITICAL 10.0
- TI-2024-32110 Backticks can allow the usage of not-allowed SQL functions CVSS 4.0HIGH 8.8
- TI-2026-65500 Unauthenticated SQL injection in UserPageViewTracker via filterusers and ignoreusers parameters CVSS 3.1HIGH 7.5
- TI-2026-64588 DataTransfer depends on phpspreadsheet version vulnerable to CVE-2026-59933 (XLS/OLE memory exhaustion) CVSS 3.1HIGH 7.5
- TI-2026-42112 SQLi in Cargo extension via year range filter CVSS 4.0MEDIUM 6.9
- TI-2026-42110 Stored XSS through Cargo's map format CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-22712 · CVE Program
- CVE-2026-22712 · NVD
- FIRST EPSS
- GHSA-mrvc-5w25-h6c4 · GitHub Advisory Database · CC BY 4.0
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