WordPress security changelog
MEDIUM CVE-2026-9676 Deferred

F4 Post Tree: Cross-site request forgery

F4 Post Tree is affected by cross-site request forgery. Exploitation requires at least subscriber-level access. Exploitation relies on a signed-in privileged user submitting an attacker-controlled request. The published affected range is < 2.0.5.

CVE / CNA score 4.3 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score Pending NVD has not published its own CVSS assessment.
Component
F4 Post Tree
Plugin slug
f4-post-tree
Affected
< 2.0.5
Safe version
2.0.5
Published
Jun 29, 2026
Weakness
Not assigned

This CVE was published Jun 29, 2026 and is one of 1 known issue for this plugin.

Update, patch or deactivate.

Update F4 Post Tree to 2.0.5 or later, or disable and remove it until a fixed version is available.

A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical 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.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Primary and upstream sources