UpHeron
All vulnerabilities

Servers and applications

CVE-2020-25812

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.

Severity
Medium 6.1
Published
27 Sept 2020
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.34.4
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • From 1.34.0 before 1.34.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-25812
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-25812