Debian Security Advisory DSA-2757-1: WordPress Remote Threats Alert

Several vulnerabilities were identified in Wordpress, a web blogging
tool. As the CVEs were allocated from releases announcements and specific
fixes are usually not identified, it has been decided to upgrade the
Wordpress package to the latest upstream version instead of backporting
the patches.

This means extra care should be taken when upgrading, especially when
using third-party plugins or themes, since compatibility may have been
impacted along the way. We recommend that users check their install
before doing the upgrade.

CVE-2013-4338

Unsafe PHP unserialization in wp-includes/functions.php could cause
arbitrary code execution.

CVE-2013-4339

Insufficient input validation could result in redirecting or leading
a user to another website.

CVE-2013-4340

Privilege escalation allowing an user with an author role to create
an entry appearing as written by another user.

CVE-2013-5738

Insufficient capabilities were required for uploading .html/.html
files, making it easier f...