An issue was discovered in the AbuseFilter extension for MediaWiki.
Priority LOW 36CWE-532Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-532.
Summary
An issue was discovered in the AbuseFilter extension for MediaWiki. includes/special/SpecialAbuseLog.php allows attackers to obtain sensitive information, such as deleted/suppressed usernames and summaries, from AbuseLog revision data. This affects REL1_32 and REL1_33.
Why it matters now
EPSS 0.01318 70th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-16528
- 2026-10-03 Alias added: GHSA-627p-f6p8-67f5
References
More mediawiki Abusefilter vulnerabilities
- TI-2019-13680 An issue was discovered in the AbuseFilter extension through 1.34 for MediaWiki. CVSS 3.1MEDIUM 5.3
- TI-2019-13461 An issue was discovered in the AbuseFilter extension through 1.34 for MediaWiki. CVSS 3.1MEDIUM 5.3
Sources
- CVE-2019-16528 · CVE Program
- CVE-2019-16528 · NVD
- FIRST EPSS
- GHSA-627p-f6p8-67f5 · GitHub Advisory Database · CC BY 4.0
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