Threat Entry Updated 2025-07-14

CVE-2025-4855 - Support Board Plugin

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.

PLUGIN Support Board

CVE-2025-4855

CRITICAL CVSS 9.8 2025-07-09

Risk Score

Open Full Technical Breakdown

Threat Entry Updated 2025-07-14

CVE-2025-4828 - Support Board Plugin

The Support Board plugin for WordPress is vulnerable to arbitrary file deletion due to insufficient file path validation in the sb_file_delete function in all versions up to, and including, 3.8.0. This makes it possible for attackers to delete arbitrary files on the server, which can easily lead to remote code execution when the right file is deleted (such as wp-config.php). An attacker can leverage CVE-2025-4855 vulnerability to exploit this vulnerability unauthenticated.

PLUGIN Support Board

CVE-2025-4828

CRITICAL CVSS 9.8 2025-07-09

Risk Score

Open Full Technical Breakdown

Threat Entry Updated 2024-11-21

CVE-2021-24823 - Support Board Plugin

The Support Board WordPress plugin before 3.3.6 does not have any CSRF checks in actions handled by the include/ajax.php file, which could allow attackers to make logged in users do unwanted actions. For example, make an admin delete arbitrary files

PLUGIN Support Board

CVE-2021-24823

HIGH CVSS 8.1 2022-02-28

Risk Score

Open Full Technical Breakdown

Threat Entry Updated 2024-11-21

CVE-2021-24807 - Support Board Plugin

The Support Board WordPress plugin before 3.3.5 allows Authenticated (Agent+) users to perform Cross-Site Scripting attacks by placing a payload in the notes field, when an administrator or any authenticated user go to the chat the XSS will be automatically executed.

PLUGIN Support Board

CVE-2021-24807

MEDIUM CVSS 5.4 2021-11-08

Risk Score

Open Full Technical Breakdown

Threat Entry Updated 2024-11-21

CVE-2021-24741 - Support Board Plugin

The Support Board WordPress plugin before 3.3.4 does not escape multiple POST parameters (such as status_code, department, user_id, conversation_id, conversation_status_code, and recipient_id) before using them in SQL statements, leading to SQL injections which are exploitable by unauthenticated users.

PLUGIN Support Board

CVE-2021-24741

CRITICAL CVSS 9.8 2021-09-20

Risk Score

Open Full Technical Breakdown