CVE-2026-12697 wpForo Forum < 3.1.2 - Subscriber+ Cross-User AI Chat Message Deletion via IDOR

Medium 5.4 Published Updated

Subscribers can delete other users' AI chat history due to missing ownership checks in the wpForo Forum plugin.

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-2026-12697?

CVE-2026-12697 is a medium-severity missing authorization vulnerability in Unknown wpForo Forum, published on 31 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The wpForo Forum WordPress plugin before 3.1.2 does not verify that an AI chat conversation belongs to the requesting user before deleting its messages, allowing users with a subscriber-level account to permanently delete the stored AI chat message history of any other user.

Weakness: CWE-639

Which versions are affected by CVE-2026-12697?

How do I fix CVE-2026-12697?

No fix has been published for CVE-2026-12697 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-2026-12697 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-12697 exists.

Sources

Also known as GHSA-x66g-mh39-q4gx.

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