by Kastro
Paper/Archive/CVE-2024-34502

CVE-2024-34502

mediawiki mediawiki — 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.

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
36
CVSS 9.8 (ADP)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 35.2.352 × 207.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
n/an/a–CNA
mediawiki< 1.39.61.39.6CISA-ADP
mediawiki1.40.0 – < 1.40.21.40.2CISA-ADP
mediawiki1.41.0 – < 1.41.11.41.1CISA-ADP

Scores by source

CISA ADP9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refphabricator.wikimedia.org/T357101refgerrit.wikimedia.org/r/c/mediawiki/extensions/WikibaseLexeme/+/1013359advisorylists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISYreflists.fedoraproject.org/archives/list/[email protected]/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY