UpHeron
All vulnerabilities

Servers and applications

CVE-2021-45472

In MediaWiki through 1.37, XSS can occur in Wikibase because an external identifier property can have a URL format that includes a $1 formatter substitution marker, and the javascript: URL scheme (among others) can be used.

Severity
Medium 6.1
Published
24 Dec 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 1.37

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-45472
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-45472