Synced 30 Sept 2026 20:54 UTC Account
← All products

CVE-2012-4382

MEDIUM severity · CVSS 4.9 · Information disclosure
4.9CVSS MEDIUM

Summary

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.

Impact & exploitability

Attack vectorNetwork
Attack complexityLow
Privileges requiredHigh
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)1%

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: http://www.openwall.com/lists/oss-security/2012/08/31/10 ↗