The Message Filter for Contact Form 7 plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the saveFilter() function in all versions up to, and including, 1.6.3. This makes it possible for authenticated attackers, with Subscriber-level access and above, to create new filters.

The Message Filter for Contact Form 7 plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the updateFilter() and deleteFilter() functions in all versions up to, and including, 1.6.3. This makes it possible for authenticated attackers, with subscriber-level access and above, to update and delete filters.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Kofi Mokome Message Filter for Contact Form 7 allows Reflected XSS.This issue affects Message Filter for Contact Form 7: from n/a through 1.6.1.1.