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

Quick assessment

Affected
nelio Nelio Content – Editorial Calendar & Social Media Auto-Posting
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 插件 Nelio Content – Editorial Calendar & Social Media Auto-Posting 在所有 4.5.0 及以下版本中存在权限绕过漏洞。该漏洞源于插件未正确验证用户是否具有执行特定操作所需的授权。攻击者只要拥有“贡献者”（contributor）或更高权限，即可永久删除任何可复用的社交消息（nc_reusable_social 类型文章），包括由管理员或其他高权限用户创建的社交消息。

CVSS 8.1 · High

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2026-94505

Vulnerability Information
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Vulnerability Title
Nelio Content <= 4.5.0 - Missing Authorization to Authenticated (Contributor+) Arbitrary Reusable Message Deletion via 'id' Parameter
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
nelio Nelio Content – Editorial Calendar & Social Media Auto-Posting 0 ~ 4.5.0 -

II. Public POCs for CVE-2026-94505

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III. Intelligence Information for CVE-2026-94505

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Vendor Advisories for CVE-2026-94505 (1)

Other References for CVE-2026-94505 (3)

IV. Related Vulnerabilities

Same weakness: CWE-862

V. Comments for CVE-2026-94505

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