CVE-2015-2931

high

Description

Incomplete blacklist vulnerability in includes/upload/UploadBase.php in MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2 allows remote attackers to inject arbitrary web script or HTML via an application/xml MIME type for a nested SVG with a data: URI.

References

https://security.gentoo.org/glsa/201510-05

https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html

http://www.securityfocus.com/bid/73477

http://www.openwall.com/lists/oss-security/2015/04/07/3

http://www.openwall.com/lists/oss-security/2015/04/01/1

http://www.mandriva.com/security/advisories?name=MDVSA-2015:200

Details

Source: Mitre, NVD

Published: 2015-04-13

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.2

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Severity: High

EPSS

EPSS: 0.00379