VIR Vulnerability Intelligence Relay

CVE-2016-6336

medium
Published 2017-04-20 · Modified 2026-05-13
CVSS v3
6.5
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
CVSS v2
4.0
VIR risk
6.5

Description

MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote authenticated users with undelete permissions to bypass intended suppressrevision and deleterevision restrictions and remove the revision deletion status of arbitrary file revisions by using Special:Undelete.

Predictions

Exploit likelihood
75%
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-2016-6336

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — https://phabricator.wikimedia.org/T132926

vendor Authored 2026-05-27

Vendor advisory: secalert@redhat.com — https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html

OS impact
OSVersionStatusFixed in
debian debianbookwormfixed1:1.27.1-1
debian debianbullseyefixed1:1.27.1-1
debian debianforkyfixed1:1.27.1-1
debian debiansidfixed1:1.27.1-1
debian debiantrixiefixed1:1.27.1-1

Application impact
VendorProductVersionsFixed
mediawikimediawiki{"endIncluding":"1.23.14"}
mediawikimediawiki1.26.0
mediawikimediawiki1.26.1
mediawikimediawiki1.26.2
mediawikimediawiki1.26.3
mediawikimediawiki1.26.4
mediawikimediawiki1.27.0

References

CWEs

CWE-284

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