UpHeron
All vulnerabilities

Servers and applications

CVE-2023-29137

An issue was discovered in the GrowthExperiments extension for MediaWiki through 1.39.3. The UserImpactHandler for GrowthExperiments inadvertently returns the timezone preference for arbitrary users, which can be used to de-anonymize users.

Severity
Medium 4.3
Published
31 Mar 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-2023-29137
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-29137