VulnerabilityModified
CVE-2021-31547
An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2.
MEDIUM 4.3EPSS 0.87%
Does this matter?
Lower severity and a low EPSS score (0.87%). 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. Its AbuseFilterCheckMatch API reveals suppressed edits and usernames to unprivileged users through the iteration of crafted AbuseFilter rules.
- CVSS 3.1
- 4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.87% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- mediawiki/mediawiki
- Source
- cve@mitre.org
References
- https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907dIssue Tracking, Third Party Advisory
- https://gerrit.wikimedia.org/r/q/I4900b1be73323599d74e3164447f81eded094d75Issue Tracking, Third Party Advisory
- https://phabricator.wikimedia.org/T223654Third Party Advisory
- https://gerrit.wikimedia.org/r/q/I3f7dbd8b873d411e37c8c3aac2339bf5ec36907dIssue Tracking, Third Party Advisory
- https://gerrit.wikimedia.org/r/q/I4900b1be73323599d74e3164447f81eded094d75Issue Tracking, Third Party Advisory
- https://phabricator.wikimedia.org/T223654Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.