Vulnerability · Published Apr 22, 2021 · Assigned by mitre
CVE-2021-31547
Medium 4.3
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 0.9% (higher than 59% of all known vulnerabilities).
Severity (CVSS NVD)4.3Medium
Exploit odds (30 days)0.9%top 41.0% 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. Its AbuseFilterCheckMatch API reveals suppressed edits and usernames to unprivileged users through the iteration of crafted AbuseFilter rules.
Affected products (as reported)
References
- https://phabricator.wikimedia.org/T223654 x_refsource_MISC
- https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907d x_refsource_MISC
- https://gerrit.wikimedia.org/r/q/I4900b1be73323599d74e3164447f81eded094d75 x_refsource_MISC