CVE-2026-3139 Missing authorization in User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor
Authenticated subscribers can reassign ownership of arbitrary posts and attachments due to missing validation in the avatar field.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-3139?
CVE-2026-3139 is a medium-severity missing authorization vulnerability in cozmoslabs User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor, published on 31 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor plugin for WordPress is vulnerable to Insecure Direct Object Reference in versions up to, and including, 3.15.5 via the wppb_save_avatar_value() function due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to reassign ownership of arbitrary posts and attachments by changing 'post_author'.
Weakness: CWE-639
Which versions are affected by CVE-2026-3139?
How do I fix CVE-2026-3139?
No fix has been published for CVE-2026-3139 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-2026-3139 being exploited?
There is no known exploitation of CVE-2026-3139 in the wild and no public exploit code.
Sources
Also known as GHSA-g22g-h6v3-25jw.