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Nelio Content <= 4.5.0 — Missing Authorization to Authenticated (Contributor+) Arbitrary Reusable Message Deletion via 'id' Parameter

CVE-2026-94505Published · Updated

Action summary

Affected: ≤4.5.0Update to 4.5.1 or newer

All remediation steps
Watch plugin
Severity
High8.1
CVSS
8.1
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:H Integrity
High
A:H Availability
High
Weakness
CWE-862 Missing Authorization
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

Nelio Content – Editorial Calendar & Social Media Auto-Posting nelio-content

  1. Affected≤ 4.5.0
  2. Patched in4.5.1

Update to 4.5.1 or newer.

You are affected if you run ≤ 4.5.0. Version 4.5.1 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Nelio Content – Editorial Calendar & Social Media Auto-Posting.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 4.5.1, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Nelio Content – Editorial Calendar & Social Media Auto-Posting to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Wordfence PRISM.

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.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Nelio Content – Editorial Calendar & Social Media Auto-Posting

All 6
More vulnerabilities in Nelio Content – Editorial Calendar & Social Media Auto-Posting
SeverityVulnerabilityCVEPublished
Medium4.3Missing Authorization
≤4.3.4Update to 4.3.5
CVE-2026-57648
Medium6.4Authenticated (Contributor+) Server-Side Request Forgery
≤4.3.1Update to 4.3.2
CVE-2026-39521
Medium6.5Authenticated (Contributor+) SQL Injection
≤4.2.0Update to 4.2.1
CVE-2026-24572
Medium4.3Missing Authorization
≤4.0.5Update to 4.0.6
CVE-2025-62927
Medium6.4Authenticated (Contributor+) Server-Side Request Forgery
≤3.2.0Update to 3.2.1
CVE-2024-30531

Same weakness (Missing Authorization)

All Missing Authorization
Other Missing Authorization vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity high, CVSS 8.1

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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