What’s Vulnerable › Vulnerabilities
CVE-2023-29137
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.4% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-03-31 · updated 2026-06-17
- Weakness: CWE-200
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.
Affected products
- Wikimedia Foundation MediaWiki: through 1.39.3
References
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