CVE & CISA-KEV Catalog

CVE-2014-2242

MEDIUMEPSS 82th pctl
4.3
CVSS v2
NVD

Description

includes/upload/UploadBase.php in MediaWiki before 1.19.12, 1.20.x and 1.21.x before 1.21.6, and 1.22.x before 1.22.3 does not prevent use of invalid namespaces in SVG files, which allows remote attackers to conduct cross-site scripting (XSS) attacks via an SVG upload, as demonstrated by use of a W3C XHTML namespace in conjunction with an IFRAME element.

How to fix

Remediation Available
mediawikiDebian
Fixed in:1:1.19.12+dfsg-1CVE-2014-2242
Fixed in:1:1.19.12+dfsg-1CVE-2014-2242
Fixed in:1:1.19.12+dfsg-1CVE-2014-2242
Fixed in:1:1.19.12+dfsg-1CVE-2014-2242

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.45%probability of exploitation in 30 days
82ndpercentile

Elevated risk: more likely to be exploited than 82% of all known CVEs.

References

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-11022Medium6.999%-Fix
CVE-2019-3929Critical9.899%KEVFix
CVE-2020-9496Medium6.199%--
CVE-2023-28341Medium6.199%-Fix
CVE-2018-12998Medium6.198%--
CVE-2025-4123High7.698%-Fix
Embed a live status badge for CVE-2014-2242
CVE-2014-2242 severity badge

Markdown

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HTML

<a href="https://tridentstack.com/cve/CVE-2014-2242"><img src="https://tridentstack.com/cve/badge/CVE-2014-2242.svg" alt="CVE-2014-2242"></a>

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.