Vulnerability identifier: #VU41060

Vulnerability risk: Medium

CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-9033

CWE-ID: CWE-352

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WordPress
Web applications / CMS

Vendor: WordPress.ORG

Description

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

Mitigation
Install update from vendor's website.

Vulnerable software versions

WordPress: 3.7.4, 3.8.4, 3.9.2, 4.0

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External links
http://advisories.mageia.org/MGASA-2014-0493.html
http://core.trac.wordpress.org/changeset/30418
http://openwall.com/lists/oss-security/2014/11/25/12
http://www.debian.org/security/2014/dsa-3085
http://www.mandriva.com/security/advisories?name=MDVSA-2014:233
http://www.securitytracker.com/id/1031243
http://wordpress.org/news/2014/11/wordpress-4-0-1/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.