CVE-2025-6762 diyhi bbs HTTP Header login getUrl server-side request forgery

Medium 5.3 Published 27 Jun 2025 Updated 27 Jun 2025

Attackers can exploit a server-side request forgery vulnerability in diyhi BBS by manipulating the Host header, potentially accessing internal resources.

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-2025-6762?

CVE-2025-6762 is a medium-severity server-side request forgery vulnerability in diyhi bbs, published on 27 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 up to 6.8. This affects the function getUrl of the file /admin/login of the component HTTP Header Handler. The manipulation of the argument Host leads to server-side request forgery. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-918

Which versions are affected by CVE-2025-6762?

It affects 1 product.

Products include Diyhi Bbs.

How do I fix CVE-2025-6762?

No fix has been published for CVE-2025-6762 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2025-6762 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6762 exists.

Sources

Also known as GHSA-36v8-f67v-63cx.