MediaWiki before 1.23.11, 1.24.x before 1.24.4, and 1.25.x before 1.25.3 does not properly restrict access to revisions, which allows remot…

published 2015-11-09 11y ago modified 2026-06-17 4mo ago also EUVD-2015-7900

cvss: 4.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.7%; EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits: 0; none known

MediaWiki before 1.23.11, 1.24.x before 1.24.4, and 1.25.x before 1.25.3 does not properly restrict access to revisions, which allows remote authenticated users with the viewsuppressed user right to remove revision suppressions via a crafted revisiondelete action, which returns a valid a change form.

Patch / fix

distros 1 links 1

mediawiki Debian 14, Debian 13, Debian 12 1:1.25.5-1

debian advisories DEBIAN-CVE-2015-8004

lists.wikimedia.org/pipermail/mediawiki-announce/2015-October/000181.html advisory

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-8004 updated 2025-11-21 cvss 5.8

mediawiki: multiple flaws fixed in 1.25.3, 1.24.4, and 1.23.11

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.72% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	4.0	AV:N/AC:L/Au:S/C:N/I:P/A:N

Classification

Weakness

CWE-264 Permissions, Privileges, and Access Controls

References

lists.wikimedia.org /pipermail/mediawiki-announce/2015-October/000181.html
mailing-list, patch, vendor-advisory
phabricator.wikimedia.org /T95589
vendor-advisory
securitytracker.com /id/1034028
vdb-entry

Sources

CVE List CVE-2015-8004
NVD CVE-2015-8004

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.