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CVE-2015-2931

Date: April 13, 2015

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.

Language: PHP

Severity Score

Related Resources (10)

http://www.securityfocus.com/bid/73477
https://security.gentoo.org/glsa/201510-05
https://security-tracker.debian.org/tracker/CVE-2015-2931
https://nvd.nist.gov/vuln/detail/CVE-2015-2931
https://phabricator.wikimedia.org/T85850
http://www.mandriva.com/security/advisories?name=MDVSA-2015:200
http://www.openwall.com/lists/oss-security/2015/04/01/1
https://lists.wikimedia.org/pipermail/mediawiki-announce/2015-March/000175.html
http://www.openwall.com/lists/oss-security/2015/04/07/3
https://www.mend.io/vulnerability-database/CVE-2015-2931

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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