VulnerabilityModified
CVE-2021-31545
The page_recent_contributors leaked the existence of certain deleted MediaWiki usernames, related to rev_deleted.
MEDIUM 5.3EPSS 0.82%
Does this matter?
Lower severity and a low EPSS score (0.82%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. The page_recent_contributors leaked the existence of certain deleted MediaWiki usernames, related to rev_deleted.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.82% probability · 55th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- mediawiki/mediawiki
- Source
- cve@mitre.org
References
- https://gerrit.wikimedia.org/r/q/I8d5ed9ca84282ee50832035af86123633fc88293Issue Tracking, Vendor Advisory
- https://phabricator.wikimedia.org/T71367Third Party Advisory
- https://gerrit.wikimedia.org/r/q/I8d5ed9ca84282ee50832035af86123633fc88293Issue Tracking, Vendor Advisory
- https://phabricator.wikimedia.org/T71367Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.