CVE-2023-29137

—

CVSS 3.1

4.3 medium

EPSS

<1%p37

Published

Mar 31, 2023 (Mar 31, 2023)

Modified

Jun 17, 2026

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.

Vendors: mediawiki
Products: mediawiki
Weakness: CWE-200
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (0.4%)

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