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WordPress < 3.3.3 Multiple Vulnerabilities

Medium

Synopsis

The remote server is hosting an outdated installation of WordPress that is vulnerable to multiple attack vectors.

Description

Versions of WordPress prior to 3.3.3 are susceptible to the following vulnerabilities :

- A flaw exists that allows a remote cross-site scripting (XSS) attack. This flaw exists because the application does not validate the 'slug' parameter upon submission to the 'edit-tags.php' script. This may allow a user to create a specially crafted request using character encoding that would execute arbitrary script code in a user's browser within the trust relationship between their browser and the server. (CVE-2012-6633) - A flaw exists as input passed via the 'post_id' parameter is not properly sanitized before being used in the 'wp-admin/media-upload.php' script. This may allow a remote attacker to gain access to potentially sensitive information or bypass media-attachment restrictions. (CVE-2012-6634) - A flaw exists in the 'wp-admin/includes/class-wp-posts-list-table.php' script that is due to the program failing to restrict access to 'excerpt-view'. This may allow a remote authenticated attacker to gain access to potentially sensitive information when viewing a draft. (CVE-2012-6635)

Solution

Upgrade to WordPress 3.3.3, or later.