MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1 do not properly sanitize parameters when cal…

published 2017-03-23 9 y ago modified 2026-06-17 4 mo ago also EUVD-2015-8502

cvss: 7.5; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.8%; EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits: 0; none known

MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1 do not properly sanitize parameters when calling the cURL library, which allows remote attackers to read arbitrary files via an @ (at sign) character in unspecified POST array parameters.

Patch / fix

links 4

lists.wikimedia.org/pipermail/mediawiki-announce/2015-December/000186.html advisory
openwall.com/lists/oss-security/2015/12/23/7 advisory
phabricator.wikimedia.org/T118032 advisory
openwall.com/lists/oss-security/2015/12/21/8 advisory

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-2015-8625 updated 2025-11-21 cvss 5.8

mediawiki: multiple flaws fixed in 1.26.1, 1.25.4, 1.24.5, and 1.23.12

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

1.80% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.0	7.5	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

lists.wikimedia.org /pipermail/mediawiki-announce/2015-December/000186.html
mailing-list, patch, release-notes, vendor-advisory
openwall.com /lists/oss-security/2015/12/23/7
mailing-list, patch, third-party-advisory
phabricator.wikimedia.org /T118032
patch, third-party-advisory
openwall.com /lists/oss-security/2015/12/21/8
mailing-list, patch, third-party-advisory

Sources

CVE List CVE-2015-8625
NVD CVE-2015-8625

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.

Summary