Medium severity4.9NVD Advisory· Published Oct 19, 2017· Updated May 13, 2026

CVE-2012-4382

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.

Affected products

MediaWiki/Mediawiki3 versions
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*range: <=1.18.4
- cpe:2.3:a:mediawiki:mediawiki:1.19.0:*:*:*:*:*:*:*
- cpe:2.3:a:mediawiki:mediawiki:1.19.1:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.openwall.com/lists/oss-security/2012/08/31/10nvdMailing ListPatchThird Party Advisory
www.openwall.com/lists/oss-security/2012/08/31/6nvdMailing ListPatchThird Party Advisory
lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.htmlnvdPatchVendor Advisory
bugs.debian.org/cgi-bin/bugreport.cginvdIssue TrackingThird Party Advisory
phabricator.wikimedia.org/T41823nvdIssue TrackingVendor Advisory

News mentions

No linked articles in our index yet.

cvss	0.319
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000