UpHeron
All vulnerabilities

Servers and applications

CVE-2021-45473

In MediaWiki through 1.37, Wikibase item descriptions allow XSS, which is triggered upon a visit to an action=info URL (aka a page-information sidebar).

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 1.3.7

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-45473
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-45473