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Last updated: 3/27/2015 11:40:04 AM

CVE Publication rate: 14.4

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National Cyber Awareness System

Vulnerability Summary for CVE-2013-4339

Original release date: 09/12/2013
Last revised: 12/30/2013


WordPress before 3.6.1 does not properly validate URLs before use in an HTTP redirect, which allows remote attackers to bypass intended redirection restrictions via a crafted string.


CVSS Severity (version 2.0):
CVSS v2 Base Score: 7.5 (HIGH) (AV:N/AC:L/Au:N/C:P/I:P/A:P) (legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows unauthorized disclosure of information; Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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External Source: CONFIRM
Name: http://core.trac.wordpress.org/changeset/25323
Type: Patch Information; Exploit
External Source: FULLDISC
Name: 20131219 URL Redirector Abuse and XSS vulnerabilities in WordPress
External Source: CONFIRM
Name: http://core.trac.wordpress.org/changeset/25324
Type: Patch Information; Exploit
External Source: CONFIRM
Name: http://wordpress.org/news/2013/09/wordpress-3-6-1/
Type: Advisory; Patch Information
External Source: FEDORA
Name: FEDORA-2013-16925
External Source: FEDORA
Name: FEDORA-2013-16895
External Source: OSVDB
Name: 101181
External Source: DEBIAN
Name: DSA-2757
External Source: FEDORA
Name: FEDORA-2013-16855
External Source: CONFIRM
Name: http://codex.wordpress.org/Version_3.6.1
Type: Advisory

Vulnerable software and versions

+ Configuration 1
+ OR
* cpe:/a:wordpress:wordpress:3.6 and previous versions

* Denotes Vulnerable Software
Changes related to vulnerability configurations

Technical Details

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