Description
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.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
References
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538051/Patch
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538053/Patch
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538054/Patch
- https://phabricator.wikimedia.org/T224203Permissions Required
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538051/Patch
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538053/Patch
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538054/Patch
- https://phabricator.wikimedia.org/T224203Permissions Required
Timeline
- Published
- Mar 20, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified