An issue was discovered in the AbuseFilter extension for MediaWiki before 1.39.9, 1.40.x…
Priority LOW 24CWE-532Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-532.
Summary
An issue was discovered in the AbuseFilter extension for MediaWiki before 1.39.9, 1.40.x and 1.41.x before 1.41.3, and 1.42.x before 1.42.2. An API caller can match a filter condition against AbuseFilter logs even if the caller is not authorized to view the log details for the filter.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00453 39th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed mediawiki/abuse-filter (Packagist): 1.39.9, 1.41.3, 1.42.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | mediawiki/abuse-filter (Packagist) | before 1.39.9 | 1.39.9 | Patch available | GHSA-rmcp-9fhq-58pv |
| — | mediawiki/abuse-filter (Packagist) | 1.40.0 to before 1.41.3 | 1.41.3 | Patch available | GHSA-rmcp-9fhq-58pv |
| — | mediawiki/abuse-filter (Packagist) | 1.42.0 to before 1.42.2 | 1.42.2 | Patch available | GHSA-rmcp-9fhq-58pv |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- mediawiki/abuse-filter (Packagist) Vendor— Affected before 1.39.9 Fixed in 1.39.9 Patch available GHSA-rmcp-9fhq-58pv
- mediawiki/abuse-filter (Packagist) Vendor— Affected 1.40.0 to before 1.41.3 Fixed in 1.41.3 Patch available GHSA-rmcp-9fhq-58pv
- mediawiki/abuse-filter (Packagist) Vendor— Affected 1.42.0 to before 1.42.2 Fixed in 1.42.2 Patch available GHSA-rmcp-9fhq-58pv
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* | before 1.39.9; 1.40.0 to before 1.41.3; 1.42.0 to before 1.42.2 | Vulnerable | mediawiki |
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* Versions before 1.39.9; 1.40.0 to before 1.41.3; 1.42.0 to before 1.42.2 Vulnerable ·mediawiki
Remediation
- Fix · GHSA-rmcp-9fhq-58pv mediawiki/abuse-filter (Packagist) Fixed in 1.39.9 Advisory →
- Fix · GHSA-rmcp-9fhq-58pv mediawiki/abuse-filter (Packagist) Fixed in 1.41.3 Advisory →
- Fix · GHSA-rmcp-9fhq-58pv mediawiki/abuse-filter (Packagist) Fixed in 1.42.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2024-47913
- 2026-10-03 Alias added: GHSA-rmcp-9fhq-58pv
References
More Mediawiki vulnerabilities
- TI-2023-18933 An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. CVSS 3.1CRITICAL 9.8
- TI-2023-13576 An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6… CVSS 3.1CRITICAL 9.8
- TI-2023-03312 Stored XSS leads to privilege escalation in MediaWiki v1.40.0 CVSS 3.1CRITICAL 9.0
- TI-2026-42109 Cross-site request forgery in Wikimedia Foundation Mediawiki - RedirectManager Extension CVSS 4.0MEDIUM 6.9
- TI-2024-22822 An issue was discovered in includes/CommentFormatter/CommentParser.php in MediaWiki… CVSS 3.1HIGH 7.4
- TI-2023-18935 An issue was discovered in the ProofreadPage (aka Proofread Page) extension for MediaWiki… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2024-47913 · CVE Program
- CVE-2024-47913 · NVD
- FIRST EPSS
- GHSA-rmcp-9fhq-58pv · GitHub Advisory Database · CC BY 4.0
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