UpHeron
All vulnerabilities

Servers and applications

CVE-2021-30154

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. On Special:NewFiles, all the mediastatistics-header-* messages are output in HTML unescaped, leading to XSS.

Severity
Medium 6.1
Published
6 Apr 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
1.31.12, 1.35.2
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version before 1.31.12
  • From 1.32.0 before 1.35.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-30154
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-30154