CVE-2025-4855 Information
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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Reference
https://codecanyon.net/item/support-board-help-desk-and-chat/20359943 https://www.wordfence.com/threat-intel/vulnerabilities/id/afd48bc8-d490-4a3e-97fc-70cf008cbf66?source=cve
Attack Complexity
LOW
Privileges Required
NONE
User Interaction Required
NONE
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
HIGH
Base Severity
9.8
Related CNNVD
CNNVD-202507-1234 (Published: 2025-07-08)
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