CVE-2012-4380

high
Published 2017-10-19 · Modified 2026-05-13
CVSS v3
7.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2
5.0
VIR risk
7.5

Description

MediaWiki before 1.18.5, and 1.19.x before 1.19.2 allows remote attackers to bypass GlobalBlocking extension IP address blocking and create an account via unspecified vectors.

Predictions

Exploit likelihood
83%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-4380

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — https://phabricator.wikimedia.org/T41824

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — https://lists.wikimedia.org/pipermail/mediawiki-announce/2012-August/000119.html

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://www.openwall.com/lists/oss-security/2012/08/31/6

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — http://www.openwall.com/lists/oss-security/2012/08/31/10

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-284

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