CVE-2025-8807 xujeff tianti 天梯 save authorization

Medium 5.3 Published 10 Aug 2025 Updated 12 Aug 2025

Remote attackers can bypass authorization checks in the user save endpoint to modify user data or escalate privileges.

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-2025-8807?

CVE-2025-8807 is a medium-severity missing authorization vulnerability in xujeff tianti 天梯, published on 10 Aug 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability was found in xujeff tianti 天梯 up to 2.3. It has been declared as critical. This vulnerability affects unknown code of the file /tianti-module-admin/user/ajax/save. The manipulation leads to missing authorization. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Weakness: CWE-863, CWE-862

Which versions are affected by CVE-2025-8807?

It affects 1 product.

Products include Tianti Project Tianti.

How do I fix CVE-2025-8807?

No fix has been published for CVE-2025-8807 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-8807 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8807 exists.

Sources

Also known as GHSA-v27v-4mg3-gr66.