CVE-2026-15106 WPBot <= 8.5.6 - Missing Authorization to Unauthenticated Arbitrary Chat Session Deletion via 'userid' Parameter
Unauthenticated attackers can delete arbitrary chat session records and conversation logs in the WPBot WordPress plugin due to missing authorization checks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15106?
CVE-2026-15106 is a medium-severity missing authorization vulnerability in quantumcloud WPBot – AI ChatBot for Live Support, Lead Generation, AI Services, published on 16 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The WPBot – AI ChatBot for Live Support, Lead Generation, AI Services plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 8.5.6. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to delete arbitrary chat session records from the wpbot_user and wpbot_conversation tables, including chat history and conversation logs, by supplying a crafted userid value.
Weakness: CWE-862
Which versions are affected by CVE-2026-15106?
How do I fix CVE-2026-15106?
No fix has been published for CVE-2026-15106 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-2026-15106 being exploited?
There is no known exploitation of CVE-2026-15106 in the wild and no public exploit code.
Sources
Also known as GHSA-w9hj-67x9-qq26.