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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2025-4855

Support Board <= 3.8.0 - Unauthenticated Authorization Bypass due to Use of Default Secret Key

Description

The Support Board plugin for WordPress is vulnerable to unauthorized access/modification/deletion of data due to use of hardcoded default secrets in the sb_encryption() function in all versions up to, and including, 3.8.0. This makes it possible for unauthenticated attackers to bypass authorization and execute arbitrary AJAX actions defined in the sb_ajax_execute() function. An attacker can use this vulnerability to exploit CVE-2025-4828 and various other functions unauthenticated.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Schiocco Support Board

Default version status: unaffected

  • 0 to ≤ 3.8.0affected

References