PT-2015-5981 · Wikimedia+1 · Mediawiki+1

Bawolff · Published 2015-04-09 · Updated 2016-12-07 · CVE-2015-2931

Positive Technologies (AI Summary)

CVSS v2.0

4.3

Medium

Base vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Name of the Vulnerable Software and Affected Versions MediaWiki versions prior to 1.19.24 MediaWiki versions 1.20.x through 1.23.9 MediaWiki versions 1.24.x prior to 1.24.2

Description The issue allows remote attackers to inject arbitrary web script or HTML via an application/xml MIME type for a nested SVG with a data: URI. This is due to an incomplete blacklist vulnerability in includes/upload/UploadBase.php.

Recommendations For MediaWiki versions prior to 1.19.24, update to version 1.19.24 or later. For MediaWiki versions 1.20.x through 1.23.9, update to version 1.23.9 or later. For MediaWiki versions 1.24.x prior to 1.24.2, update to version 1.24.2 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

ALT-PU-2015-1935

CVE-2015-2931

MGASA-2015-0142

Affected Products

Alt Linux

Mediawiki

References · 44

• 🔥 https://phabricator.wikimedia.org/T85850 · Exploit
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6728 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2932 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2931 · Security Note
• https://ubuntu.com/security/CVE-2015-2931 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8005 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-6733 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2938 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8001 · Security Note
• http://mandriva.com/security/advisories?name=MDVSA-2015:200 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-2942 · Security Note
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8009 · Security Note
• https://osv.dev/vulnerability/MGASA-2015-0142 · Vendor Advisory
• https://security.gentoo.org/glsa/201510-05 · Vendor Advisory