CVE-2014-9475

Cross-site scripting (XSS) vulnerability in thumb.php in MediaWiki before 1.19.23, 1.2x before 1...

3.5 LowFix available

Cross-site scripting (XSS) vulnerability in thumb.php in MediaWiki before 1.19.23, 1.2x before 1.22.15, 1.23.x before 1.23.8, and 1.24.x before 1.24.1 allows remote authenticated users to inject arbitrary web script or HTML via a wikitext message.

Exploit likelihood

1.45%Up 0.3 points since Feb 4, 2022

What each source reports

NVD Score used 3.5

Record: CVE-2014-9475
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2014-9475
Updated: 2026-11-02

EUVDEUVD-2014-9294 No score

Record: EUVD-2014-9294
Updated: 2026-11-03

GitHub AdvisoriesGHSA-68mq-r5mx-h5r5 No score

Cross-site scripting (XSS) vulnerability in thumb.php in MediaWiki before 1.19.23, 1.2x before 1...

Record: GHSA-68mq-r5mx-h5r5
Weakness: CWE-79
Updated: 2026-11-02

OSV No score

Record: CVE-2014-9475
Updated: 2026-11-02

OSVDEBIAN-CVE-2014-9475 No score

Record: DEBIAN-CVE-2014-9475
Updated: 2026-11-02

Affected products

mediawiki

Affected packages

Affected packages
Package	Affected	Fixed
`mediawiki` Debian:12	before 1:1.19.20+dfsg-2.2	1:1.19.20+dfsg-2.2
`mediawiki` Debian:13	before 1:1.19.20+dfsg-2.2	1:1.19.20+dfsg-2.2
`mediawiki` Debian:14	before 1:1.19.20+dfsg-2.2	1:1.19.20+dfsg-2.2
`mediawiki` Debian:7	before 1:1.19.20+dfsg-0+deb7u3, plus listed versions 1:1.19.10+dfsg-11:1.19.11+dfsg-0+deb7u11:1.19.11+dfsg-11:1.19.12+dfsg-11:1.19.13+dfsg-1 Show 26 moreShow less 1:1.19.14+dfsg-0+deb7u11:1.19.14+dfsg-0+deb7u21:1.19.14+dfsg-11:1.19.15+dfsg-0+deb7u11:1.19.15+dfsg-11:1.19.15+dfsg-21:1.19.16+dfsg-0+deb7u11:1.19.16+dfsg-11:1.19.17+dfsg-11:1.19.18+dfsg-0+deb7u11:1.19.18+dfsg-0.11:1.19.19+dfsg-0+deb7u11:1.19.19+dfsg-11:1.19.20+dfsg-0+deb7u11:1.19.20+dfsg-0+deb7u21:1.19.5-11:1.19.5-1+deb7u11:1.19.6-11:1.19.7+dfsg-11:1.19.7+dfsg-1.11:1.19.8+dfsg-11:1.19.8+dfsg-21:1.19.8+dfsg-2.11:1.19.8+dfsg-2.21:1.19.9+dfsg-11:1.19.9+dfsg-2	1:1.19.20+dfsg-0+deb7u3

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2014-9475 is a low vulnerability (CVSS 3.5) in Mediawiki, published December 23, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.45%, the 73rd percentile. Fixed in mediawiki 1:1.19.20+dfsg-2.2.