UpHeron
All vulnerabilities

Servers and applications

CVE-2021-36131

An XSS issue was discovered in the SportsTeams extension in MediaWiki through 1.36. Within several special pages, a privileged user could inject arbitrary HTML and JavaScript within various data fields. The attack could easily propagate across many pages for many users.

Severity
Medium 4.8
Published
2 Jul 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
MediaWikiServers and applications · cpe:a:mediawiki:mediawiki
  • Every version up to 1.36

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-36131
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-36131