VULNERABILITY INTELLIGENCE

CVE-2012-4382

CVSS score4.9 MEDIUM

EPSS probability1.20%

CISA KEVNot currently listed

Published2017-10-19

Last modified2026-06-16

Description

MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.