WordPress fails to properly sanitize input passed to the ix parameter in wp-includes/feed.php

Overview

WordPress fails to properly sanitize input to the ix parameter in wp-includes/feed.php, which could allow a remote, unauthenticated attacker to execute arbitrary PHP code.

Description

WordPress is a blogging application that is written in PHP. WordPress 2.1.1 fails to properly sanitize input to the ix parameter in wp-includes/feed.php, PHP commands that are passed to the ix parameter are executed by the WordPress server.

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Impact

A remote, unauthenticated attacker may be able to execute arbitrary PHP code on a vulnerable WordPress system.

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Solution

Apply an update

This issue is addressed in WordPress 2.1.2.

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Vendor Information

214480

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WordPress __ Affected

Updated: March 05, 2007

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see the WordPress advisory.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23214480 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://ifsec.blogspot.com/2007/03/wordpress-code-compromised-to-enable.html&gt;
• <http://wordpress.org/development/2007/03/upgrade-212/&gt;
• <http://secunia.com/advisories/24374/&gt;
• <http://www.securityfocus.com/bid/22797&gt;

Acknowledgements

This vulnerability was reported by Ivan Fratric.

This document was written by Will Dormann.

Other Information

CVE IDs:	CVE-2007-1277
Severity Metric:	20.16 Date Public: