VULNERABILITY INTELLIGENCE
CVE-2023-29137
CVSS score4.3 MEDIUM
EPSS probability0.44%
CISA KEVNot currently listed
Published2023-03-31
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Description
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.
Weakness classification
- nvd@nist.gov: NVD-CWE-noinfo
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-200
Primary references
- cve@mitre.org — Issue Tracking, Patch
- af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Patch