The The WPCS – WordPress Currency Switcher Professional plugin for WordPress is vulnerable to arbitrary shortcode execution in all versions up to, and including, 1.2.0.4. This is due to the software allowing users to execute an action that does not properly validate a value before running do_shortcode. This makes it possible for unauthenticated attackers to execute arbitrary shortcodes.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in realmag777 WPCS – WordPress Currency Switcher Professional allows Stored XSS.This issue affects WPCS – WordPress Currency Switcher Professional: from n/a through 1.2.0.

The WPCS – WordPress Currency Switcher Professional plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the create function in versions up to, and including, 1.1.9. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to create a custom drop-down currency switcher.

The WPCS – WordPress Currency Switcher Professional plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the save function in versions up to, and including, 1.1.9. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to edit an arbitrary custom drop-down currency switcher.

The WPCS – WordPress Currency Switcher Professional plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's wpcs_current_currency shortcode in versions up to, and including, 1.1.9 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

The WPCS – WordPress Currency Switcher Professional plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the anonymous function for the wpcs_sd_delete action in versions up to, and including, 1.1.9. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to delete an arbitrary custom drop-down currency switcher.