5.3
Medium
CVE-2026-5459 The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for…
Description
The User Frontend: AI Powered Frontend Posting, User Directory, Profile, Membership & User Registration plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.3.1 via the payment_page() function due to missing validation on the 'user_id' user controlled key. This makes it possible for unauthenticated attackers to activate a free subscription pack for any user on the site, overwriting their existing paid subscription and causing loss of paid features.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| User Frontend: AI Powered Frontend Posting, User Directory, Profile Builder, Membership & User Registration 4.3 | earliest → 4.3.1 | No fix stated |