VulnerabilityModified
CVE-2019-16529
An issue was discovered in the CheckUser extension through 1.35.0 for MediaWiki.
MEDIUM 5.3EPSS 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 CheckUser extension through 1.35.0 for MediaWiki. Oversighted edit summaries are still visible in CheckUser results in violation of MediaWiki's permissions model.
- 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
- 0.87% probability · 59th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Affected
- mediawiki/checkuser
- Source
- cve@mitre.org
EPSS 0.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://phabricator.wikimedia.org/T207094Permissions Required
- https://phabricator.wikimedia.org/rECHU22ddd638ba79903361df88c755232a532cbdbfb3Patch, Vendor Advisory
- https://phabricator.wikimedia.org/T207094Permissions Required
- https://phabricator.wikimedia.org/rECHU22ddd638ba79903361df88c755232a532cbdbfb3Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.