CVE-2026-9676 f4 Post Tree < 2.0.5 - Subscriber+ Arbitrary Post Parent/Menu Order Modification
Authenticated subscribers can modify arbitrary post parents and menu orders due to missing capability checks in the F4 Post Tree plugin.
- 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-2026-9676?
CVE-2026-9676 is a medium-severity missing authorization vulnerability in Unknown F4 Post Tree, published on 29 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The F4 Post Tree WordPress plugin before 2.0.5 does not perform capability checks or CSRF/nonce verification on one of its AJAX actions, allowing authenticated users with Subscriber-level access and above to modify the parent and menu order of arbitrary posts.
Which versions are affected by CVE-2026-9676?
How do I fix CVE-2026-9676?
No fix has been published for CVE-2026-9676 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-2026-9676 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9676 exists.
Sources
Also known as GHSA-m9qg-5xmj-j7gg.