CVE-2026-9676: CWE-862 Missing Authorization in F4 Post Tree
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.
AI Analysis
Technical Summary
CVE-2026-9676 is a vulnerability in the F4 Post Tree WordPress plugin prior to version 2.0.5. The plugin fails to perform necessary capability checks and CSRF/nonce verification on a specific AJAX action, enabling authenticated users with minimal privileges (Subscriber-level and above) to change the parent and menu order of posts arbitrarily. This represents a missing authorization (CWE-862) and cross-site request forgery (CWE-352) issue.
Potential Impact
Authenticated users with Subscriber-level access or higher can manipulate the hierarchical structure and ordering of posts via the vulnerable AJAX action. This could lead to unauthorized content organization changes, potentially affecting site navigation and content presentation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict user roles and permissions to trusted users only and monitor for suspicious activity related to post ordering changes.
CVE-2026-9676: CWE-862 Missing Authorization in F4 Post Tree
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.
CVSS v3.1
Score 4.3medium
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-9676 is a vulnerability in the F4 Post Tree WordPress plugin prior to version 2.0.5. The plugin fails to perform necessary capability checks and CSRF/nonce verification on a specific AJAX action, enabling authenticated users with minimal privileges (Subscriber-level and above) to change the parent and menu order of posts arbitrarily. This represents a missing authorization (CWE-862) and cross-site request forgery (CWE-352) issue.
Potential Impact
Authenticated users with Subscriber-level access or higher can manipulate the hierarchical structure and ordering of posts via the vulnerable AJAX action. This could lead to unauthorized content organization changes, potentially affecting site navigation and content presentation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, restrict user roles and permissions to trusted users only and monitor for suspicious activity related to post ordering changes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-05-27T07:37:55.257Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a42197627e9c797196924da
Added to database: 06/29/2026, 07:06:30 UTC
Last enriched: 06/29/2026, 07:21:31 UTC
Last updated: 06/30/2026, 01:25:14 UTC
Views: 16
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.