Vulnerability · Published Apr 22, 2021 · Assigned by mitre
CVE-2021-31545
Medium 5.3
In plain English
A medium-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities).
Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.8%top 42.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
References
- https://phabricator.wikimedia.org/T71367 x_refsource_MISC
- https://gerrit.wikimedia.org/r/q/I8d5ed9ca84282ee50832035af86123633fc88293 x_refsource_MISC