What is CVE-2025-4855?

CVE-2025-4855 is a critical-severity vulnerability in Schiocco Support Board, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2025-07-08.

How severe is CVE-2025-4855?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Schiocco Support Board

CVE-2025-4855

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 po…

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.008 (73.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Schiocco Support Board — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

Frequently asked questions

What is CVE-2025-4855?: CVE-2025-4855 is a critical-severity vulnerability in Schiocco Support Board, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 9.8/10. Published 2025-07-08.
How severe is CVE-2025-4855?: Critical severity. CVSS v3 base score is 9.8 out of 10.