How severe is CVE-2026-15106?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Quantumcloud Wpbot – Ai Chatbot For Live Support, Lead Generation, Services

CVE-2026-15106

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.

Vulnerability class: Broken Access Control

EPSS: 0.005 (39.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Quantumcloud Wpbot – Ai Chatbot For Live Support, Lead Generation, Services — versions 0

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

Frequently asked questions

What is CVE-2026-15106?: CVE-2026-15106 is a medium-severity vulnerability in Quantumcloud Wpbot – Ai Chatbot For Live Support, Lead Generation, Services, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-07-16.
How severe is CVE-2026-15106?: Medium severity. CVSS v3 base score is 5.3 out of 10.