The Paid Membership Subscriptions WordPress plugin before 3.1.0 does not verify the reCAPTCHA on its registration handler when a form field is absent from the request, allowing unauthenticated users to create accounts without solving the reCAPTCHA the site has enabled.

The Paid Membership Subscriptions WordPress plugin before 3.1.0 does not bind one of its unauthenticated payment actions to the requesting user, allowing someone who holds another member's in-flight payment identifier to delete that member's checkout state.

Missing Authorization vulnerability in Cozmoslabs Paid Member Subscriptions allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Paid Member Subscriptions: from n/a through 2.15.9.

Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in Cozmoslabs Paid Member Subscriptions allows PHP Local File Inclusion. This issue affects Paid Member Subscriptions: from n/a through 2.15.4.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Cozmoslabs Paid Member Subscriptions allows SQL Injection. This issue affects Paid Member Subscriptions: from n/a through 2.15.1.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Cozmoslabs Paid Member Subscriptions paid-member-subscriptions allows Stored XSS.This issue affects Paid Member Subscriptions: from n/a through <= 2.14.3.

Cross-Site Request Forgery (CSRF) vulnerability in Cozmoslabs Paid Member Subscriptions.This issue affects Paid Member Subscriptions: from n/a through 2.11.0.

Cross-Site Request Forgery (CSRF) vulnerability in Cozmoslabs Paid Member Subscriptions.This issue affects Paid Member Subscriptions: from n/a through 2.10.4.