Unrated severityOSV Advisory· Published Jan 24, 2026· Updated Jan 26, 2026
ChatterMate has Stored Cross-Site Scripting (XSS) via Chatbot Input Execution
CVE-2026-24399
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 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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2v1.0.0, v1.0.1, v1.0.2, …+ 1 more
- (no CPE)range: v1.0.0, v1.0.1, v1.0.2, …
- (no CPE)range: <=1.0.8
Patches
Vulnerability mechanics
References
3- github.com/chattermate/chattermate.chat/commit/ff3398031abb97ae28546eaf993fed3619eaffddmitrex_refsource_MISC
- github.com/chattermate/chattermate.chat/releases/tag/v1.0.9mitrex_refsource_MISC
- github.com/chattermate/chattermate.chat/security/advisories/GHSA-72p3-w95w-q3j4mitrex_refsource_CONFIRM
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