VULNERABILITY INTELLIGENCE
CVE-2020-25812
CVSS score6.1 MEDIUM
EPSS probability1.10%
CISA KEVNot currently listed
Published2020-09-27
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 MediaWiki 1.34.x before 1.34.4. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.
Weakness classification
- nvd@nist.gov: CWE-79
Primary references
- cve@mitre.org — Vendor Advisory
- cve@mitre.org
- cve@mitre.org — Mailing List, Vendor Advisory
- cve@mitre.org — Mailing List, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Vendor Advisory