Vulnerability Database

300,445

Total vulnerabilities in the database

CVE-2012-4382

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.

Published: Oct 19, 2017
Updated: Nov 9, 2025
CVE: CVE-2012-4382
Severity: Low
Exploit:

CVSS v2:

Severity: Low
Score: 4
AV:N/AC:L/Au:S/C:P/I:N/A:N

CWEs:

CWE-200

Affected Software
References

Software	From	Fixed in
mediawiki / mediawiki	1.19.1	1.19.1.x
mediawiki / mediawiki	1.19.0	1.19.0.x
mediawiki / mediawiki	-	1.18.4.x

http://www.openwall.com/lists/oss-security/2012/08/31/10
http://www.openwall.com/lists/oss-security/2012/08/31/6
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330
https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html
https://phabricator.wikimedia.org/T41823

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