UpHeron
All vulnerabilities

Servers and applications

CVE-2023-37255

An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In Special:CheckUser, a check of the "get edits" type is vulnerable to HTML injection through the User-Agent HTTP request header.

Severity
Medium 6.1
Published
29 Jun 2023
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 1.39.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-37255
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-37255