Vulnerability Description
The Set Bulk Post Categories plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.1. This is due to missing nonce validation on the bulk category update functionality. This makes it possible for unauthenticated attackers to modify post categories in bulk via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/set-bulk-post-categories/tags/1.1/set
- https://plugins.trac.wordpress.org/browser/set-bulk-post-categories/trunk/set-bu
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9503f908-ead2-4c34-89b
FAQ
What is CVE-2026-1081?
CVE-2026-1081 is a vulnerability with a CVSS score of 4.3 (MEDIUM). The Set Bulk Post Categories plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.1. This is due to missing nonce validation on the bulk category up...
How severe is CVE-2026-1081?
CVE-2026-1081 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-1081?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.