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

Published Oct 3, 2026
·
Updated

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 (ncreusablesocial post), including those authored by administrators or other privileged users.

Affected Software

1 affected component
Nelio Nelio Content – Editorial Calendar & Social Media Auto-Posting<=4.5.0

Event History

Oct 3, 2026
CVE Published
via MITRE·06:38 AM
Data Sourced
via MITRE·06:38 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

Who can exploit this issue?

An authenticated WordPress user with at least the Contributor role can exploit it. The attacker does not need interaction from another user.

2

What can an attacker delete?

The attacker can permanently delete arbitrary reusable social messages (nc_reusable_social posts), including messages created by administrators or other more privileged users.

3

Are sites using version 4.5.0 affected?

Yes. The issue affects all versions through and including 4.5.0.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203