What is CVE-2023-29137?

CVE-2023-29137 is a medium-severity vulnerability in Mediawiki, classified under Information Disclosure. CVSS score: 4.3/10. Published 2023-03-31.

How severe is CVE-2023-29137?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Information disclosure in Mediawiki

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.

Vulnerability class: Information Disclosure

EPSS: 0.004 (35.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Mediawiki
N/a — versions n/a

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

cve@mitre.org (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2023-29137?: CVE-2023-29137 is a medium-severity vulnerability in Mediawiki, classified under Information Disclosure. CVSS score: 4.3/10. Published 2023-03-31.
How severe is CVE-2023-29137?: Medium severity. CVSS v3 base score is 4.3 out of 10.