CVE-2024-34502
9.8
CRITICAL
CVSS 3.1
EPSS 0.16%
Description
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 not a POST request, and even if it does not contain an edit token.
How to fix CVE-2024-34502
To remediate CVE-2024-34502, upgrade the affected package to a fixed version below.
- Bitnami/mediawiki—upgrade to 1.41.1 or later
Is CVE-2024-34502 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 1.41.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
References (5)
- WEBgerrit.wikimedia.org/r/c/mediawiki/extensions/WikibaseLexeme/+/1013359
- WEBlists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
- WEBlists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
- WEB