CVE-2026-76548 Profile Builder < 4.0.1 - Unauthenticated Unpublished Content and Media Modification via Front-End Upload Auth Bypass
Unauthenticated attackers can bypass upload restrictions to modify unpublished content and view media libraries in the User Profile Builder plugin.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-2026-76548?
CVE-2026-76548 is a high-severity authentication bypass vulnerability in Unknown User Profile Builder, published on 29 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The User Profile Builder WordPress plugin before 4.0.1 does not properly restrict its front-end file upload feature, granting unauthenticated visitors capabilities reserved to privileged roles. This allows them to list the site's media library and to modify unpublished posts, pages and media items belonging to other users.
Weakness: CWE-287
Which versions are affected by CVE-2026-76548?
How do I fix CVE-2026-76548?
No fix has been published for CVE-2026-76548 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-76548 being exploited?
There is no known exploitation of CVE-2026-76548 in the wild and no public exploit code.
Sources
Also known as GHSA-mpcm-vcpj-wm9p.