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Critical · 9.3 CVE-2026-24399 EUVD-2026-4613

ChatterMate has Stored Cross-Site Scripting (XSS) via Chatbot Input Execution

Published Jan 24, 2026 · Updated Jan 26, 2026 · Assigned by GitHub_M

Description

ChatterMate is a no-code AI chatbot agent framework. In versions 1.0.8 and below, the chatbot accepts and executes malicious HTML/JavaScript payloads when supplied as chat input. Specifically, an <iframe> payload containing a javascript: URI can be processed and executed in the browser context. This allows access to sensitive client-side data such as localStorage tokens and cookies, resulting in client-side injection. This issue has been fixed in version 1.0.9.

Affected products

VendorProductAffectedFixed
chattermate chattermate.chat < 1.0.9 —

References