CVE-2025-4855

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-639

Affected software

VendorProductVersions
SchioccoSupport Board<= 3.8.0

References

Timeline

Published
Jul 9, 2025
Last modified
Jun 17, 2026
NVD status
Analyzed

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CVE-2025-4855: Critical severity, CVSS 9.8 | Vulnix