CVE-2026-11578 Fluent Forms < 6.2.5 - Form Manager+ Cross-Form Submission Entry Deletion via IDOR
A restricted Manager can delete submission entries from forms they are not authorized to manage, requiring specific role configurations.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-11578?
CVE-2026-11578 is a low-severity missing authorization vulnerability in Unknown Fluent Forms, published on 2 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Fluent Forms WordPress plugin before 6.2.5 does not properly restrict the deletion of form submission entries to the forms a restricted Manager is authorized to manage, allowing a Manager limited to specific forms to permanently delete submission entries belonging to other forms. This requires a non-default configuration in which an administrator has created at least one Manager restricted to specific forms.
Which versions are affected by CVE-2026-11578?
How do I fix CVE-2026-11578?
No fix has been published for CVE-2026-11578 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-2026-11578 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11578 exists.
Sources
Also known as GHSA-4j65-fp5w-8p9m.