What is CVE-2024-34502?

CVE-2024-34502 is a critical-severity vulnerability in Mediawiki, classified under Cross-Site Request Forgery (CSRF). CVSS score: 9.8/10. Published 2024-05-05.

How severe is CVE-2024-34502?

Critical severity. CVSS v3 base score is 9.8 out of 10.

CSRF in Mediawiki

CVE-2024-34502

An issue was discovered in WikibaseLexeme in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. Loading Special:MergeLexemes will (attempt to) make an edit that merges the from-id to the to-id, even if the request was…

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.004 (32.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Mediawiki
Fedoraproject Fedora — versions 40
N/a — versions n/a

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

cve@mitre.org (Issue Tracking, Vendor Advisory)
cve@mitre.org (Patch, Vendor Advisory)
cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2024-34502?: CVE-2024-34502 is a critical-severity vulnerability in Mediawiki, classified under Cross-Site Request Forgery (CSRF). CVSS score: 9.8/10. Published 2024-05-05.
How severe is CVE-2024-34502?: Critical severity. CVSS v3 base score is 9.8 out of 10.