Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Olaf Lederer Ajax Contact Form allows Stored XSS.This issue affects Ajax Contact Form: from n/a through 1.2.5.1.

The Freemius SDK, as used by hundreds of WordPress plugin and theme developers, was vulnerable to Cross-Site Request Forgery and Information disclosure due to missing capability checks and nonce protection on the _get_debug_log, _get_db_option, and the _set_db_option functions in versions up to, and including 2.4.2. Any WordPress plugin or theme running a version of Freemius less than 2.4.3 is vulnerable.

The WP Ajax Contact Form WordPress plugin through 2.2.2 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against admin users

The WP Ajax Contact Form WordPress plugin through 2.2.2 does not have CSRF check in place when deleting emails from the email list, which could allow attackers to make a logged in admin perform such action via a CSRF attack