The WP Datepicker plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'wpdp_get_selected_datepicker' parameter in all versions up to, and including, 2.1.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Fahad Mahmood WP Datepicker wp-datepicker allows Stored XSS.This issue affects WP Datepicker: from n/a through <= 2.1.1.
The WP Datepicker plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the wpdp_add_new_datepicker_ajax() function in all versions up to, and including, 2.1.0. This makes it possible for authenticated attackers, with subscriber-level access and above, to update arbitrary options that can be used for privilege escalation. This was partially patched in 2.0.9 and 2.1.0, and fully patched in 2.1.1.
The Keep Backup Daily plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the ‘t’ parameter in versions up to, and including, 2.0.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.
The WP Header Images WordPress plugin before 2.0.1 does not sanitise and escape the t parameter before outputting it back in the plugin's settings page, leading to a Reflected Cross-Site Scripting issue