CVE-2026-4330
Authorization Bypass in Blog2Social Plugin Allows Post Manipulation
Publication date: 2026-04-08
Last updated on: 2026-04-08
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| blog2social | blog2social | to 8.8.3 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-639 | The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
The Blog2Social: Social Media Auto Post & Scheduler plugin for WordPress has an authorization bypass vulnerability in all versions up to and including 8.8.3. This occurs because the plugin's AJAX handlers do not verify that the user-supplied 'b2s_id' parameter belongs to the current user before performing update and delete operations.
As a result, authenticated users with Subscriber-level access or higher can modify, reschedule, or delete scheduled social media posts that belong to other users.
How can this vulnerability impact me? :
This vulnerability allows attackers with low-level authenticated access to interfere with other users' scheduled social media posts by modifying, rescheduling, or deleting them without proper authorization.
Such unauthorized actions could disrupt social media campaigns, cause loss of important scheduled content, and potentially damage the reputation or operations of the affected organization.