by Kastro
Paper/Archive/CVE-2025-4855

CVE-2025-4855

Schiocco Support Board — Support Board <= 3.8.0 - Unauthenticated Authorization Bypass due to Use of Default Secret Key

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
36
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 32.6.326 × 206.5No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
Support Board≤ 3.8.0–CNA

Scores by source

Wordfence (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

refwordfence.com/threat-intel/vulnerabilities/id/afd48bc8-d490-4a3e-97fc-70cf008cbf66?source=cverefcodecanyon.net/item/support-board-help-desk-and-chat/20359943