Cross-Site Request Forgery Vulnerability in Set Bulk Post Categories Plugin for WordPress
CVE-2026-1081

4.3MEDIUM

Key Information:

Vendor

WordPress
Status
Set Bulk Post Categories
Vendor
CVE Published:
24 January 2026

What is CVE-2026-1081?

The Set Bulk Post Categories plugin for WordPress suffers from a critical flaw due to the absence of nonce validation when performing bulk category updates. This vulnerability allows unauthenticated attackers to potentially alter post categories en masse by tricking an administrator into clicking a malicious link. It's essential for site owners to ensure that they have the latest version of the plugin installed and to implement proper security measures to mitigate such risks.

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Deploy the Patch

Affected Version(s)

Set Bulk Post Categories * <= 1.1

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/set-bulk-post-...
https://plugins.trac.wordpress.org/browser/set-bulk-post-...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muhammad Nur Ibnu Hubab
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