CVE-2026-57363: Quantumcloud Chatbot

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in QuantumCloud ChatBot chatbot allows Stored XSS.This issue affects ChatBot: from n/a through <= 8.3.7.

Affected products

• Quantumcloud Chatbot: up to and including 8.3.7

Published 2026-07-13. Last modified 2026-07-13.