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CVE-2024-34502

CRITICAL

9.8

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published5/5/2024

Last Modified11/4/2025

Sourcenvd

Honeypot Sightings0

Affected Products

fedoraproject:fedoramediawiki:mediawiki

Weaknesses (CWE)

CWE-352

References

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikibaseLexeme/+/1013359(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/(cve@mitre.org)

https://phabricator.wikimedia.org/T357101(cve@mitre.org)

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikibaseLexeme/+/1013359(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/(af854a3a-2127-422b-91ae-364da2661108)

https://phabricator.wikimedia.org/T357101(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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