UpHeron
All vulnerabilities

Servers and applications

CVE-2021-42042

An issue was discovered in SpecialEditGrowthConfig in the GrowthExperiments extension in MediaWiki through 1.36.2. The growthexperiments-edit-config-error-invalid-title MediaWiki message was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript.

Severity
Medium 4.8
Published
6 Oct 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 1.36.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-42042
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-42042