CVE-2026-5459 Missing authorization in User Frontend: AI Powered Frontend Posting, User Directory, Profile Builder, Membership & User Registration
Unauthenticated attackers can overwrite any user's subscription status, causing loss of paid features due to missing validation in the User Frontend plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5459?
CVE-2026-5459 is a medium-severity missing authorization vulnerability in wedevs User Frontend: AI Powered Frontend Posting, User Directory, Profile Builder, Membership & User Registration, published on 8 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-639
Which versions are affected by CVE-2026-5459?
How do I fix CVE-2026-5459?
No fix has been published for CVE-2026-5459 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-5459 being exploited?
There is no known exploitation of CVE-2026-5459 in the wild and no public exploit code.
Sources
Also known as GHSA-q9g5-gj6c-j62w.