CVE-2012-4382

medium
Published 2017-10-19 ยท Modified 2026-05-13
CVSS v3
4.9
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
CVSS v4 NEW
โ€”
not yet in upstream
VIR risk
4.9

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.

Predictions

Exploit likelihood
59%
Patch ETA
โ€”

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ€” if you've already worked around this in production โ€” publish your fix to the community-verified tier.

โœš Propose a mitigation on Community โ†’ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1:1.19.2-1
debian debianbullseyefixed1:1.19.2-1
debian debianforkyfixed1:1.19.2-1
debian debiansidfixed1:1.19.2-1
debian debiantrixiefixed1:1.19.2-1

Application impact

VendorProductVersionsFixed
mediawikimediawiki{"endIncluding":"1.18.4"}
mediawikimediawiki1.19.0
mediawikimediawiki1.19.1

References

CWEs

CWE-200

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.