VULNERABILITY INTELLIGENCE
CVE-2023-37255
CVSS score6.1 MEDIUM
EPSS probability0.47%
CISA KEVNot currently listed
Published2023-06-29
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In Special:CheckUser, a check of the "get edits" type is vulnerable to HTML injection through the User-Agent HTTP request header.
Weakness classification
- nvd@nist.gov: CWE-79
Primary references
- cve@mitre.org — Exploit, Issue Tracking
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking