#VU43514 Permissions, Privileges, and Access Controls in WordPress - CVE-2010-5106

Vulnerability identifier: #VU43514

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2010-5106

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WordPress
Web applications / CMS

Vendor: WordPress.ORG

Description

The vulnerability allows a remote #AU# to read and manipulate data.

The XML-RPC remote publishing interface in xmlrpc.php in WordPress before 3.0.3 does not properly check capabilities, which allows remote authenticated users to bypass intended access restrictions, and publish, edit, or delete posts, by leveraging the Author or Contributor role.

Mitigation
Install update from vendor's website.

Vulnerable software versions

WordPress: 0.71, 1.0 - 1.0.2, 1.1.1, 1.2 - 1.2.5, 1.3, 1.3.2, 1.3.3, 1.5 - 1.5.2, 2.0 - 2.0.11, 2.1 - 2.1.3, 2.2 - 2.2.3, 2.3 - 2.3.3, 2.5 - 2.5.1, 2.6 - 2.6.5, 2.7 - 2.7.1, 2.8 - 2.8.6, 2.9 - 2.9.2, 3.0 - 3.0.1

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External links
https://codex.wordpress.org/Version_3.0.3
https://core.trac.wordpress.org/changeset/16803
https://openwall.com/lists/oss-security/2012/09/14/10

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

Is there known malware, which exploits this vulnerability?

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