CVE-2025-6453 diyhi bbs API ForumManageAction.java add path traversal

Medium 5.3 Published 22 Jun 2025 Updated 23 Jun 2025

Remote attackers can exploit a path traversal vulnerability in the diyhi BBS API to read or modify files on the server.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-6453?

CVE-2025-6453 is a medium-severity path traversal vulnerability in diyhi bbs, published on 22 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability classified as critical has been found in diyhi bbs 6.8. Affected is the function Add of the file /src/main/java/cms/web/action/template/ForumManageAction.java of the component API. The manipulation of the argument dirName leads to path traversal. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-22

Which versions are affected by CVE-2025-6453?

It affects 1 product.

Products include Diyhi Bbs.

How do I fix CVE-2025-6453?

No fix has been published for CVE-2025-6453 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-2025-6453 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6453 exists.

Sources

Also known as GHSA-pq7r-gxvg-33fh.