CVE-2025-4855

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

State
Published
Severity
9.8 Critical
Published
Jul 8, 2025
Updated
Apr 8, 2026
Reserved
May 16, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.19.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWordfence

Weaknesses

  • CWE-639 Authorization Bypass Through User-Controlled Key

Affected Products

ProductVersions
Support BoardSchiocco
  • 3.8.0 and earlierAffected

References

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