CVE-2025-4828 Support Board <= 3.8.0 - Unauthenticated Arbitrary File Deletion

What is CVE-2025-4828?

CVE-2025-4828 is a critical path traversal vulnerability in Schiocco Support Board, published on 8 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-22

Which versions are affected by CVE-2025-4828?

It affects 1 product.

Products include Schiocco Support Board.

How do I fix CVE-2025-4828?

No fix has been published for CVE-2025-4828 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2025-4828 being exploited?

There is no known exploitation of CVE-2025-4828 in the wild and no public exploit code.

Other vulnerabilities in Schiocco Support Board

• CVE-2025-4855 Support Board <= 3.8.0 - Unauthenticated Authorization Bypass due to Use of Default Secret Key Critical 9.8
• CVE-2026-4815 SQL Injection vulnerability in Support Board High 8.7
• CVE-2021-24823 Support Board < 3.3.6 - Arbitrary File Deletion via CSRF High 8.1
• CVE-2021-24807 Support Board < 3.3.5 - Agent+ Stored Cross-Site Scripting Medium 5.4
• CVE-2026-4816 Reflected Cross Site Scripting (XSS) vulnerability in Support Board Medium 4.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-qq5f-j4wf-xqm8.