CVE-2025-4855

critical · 9.8

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.

9.8

CVSS

0.3%

EPSS (exploit prob.)

27th

EPSS percentile

2025-07-09

Published

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

Weaknesses

CWE-639

Affected products

Vendor	Product	Affected versions
schiocco	support_board	< 3.8.1

Check a specific version with /api/v1/cve/match.

References

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-4855