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.
History

Thu, 12 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
First Time appeared Chattermate chattermate
CPEs cpe:2.3:a:chattermate:chattermate:*:*:*:*:*:*:*:*
Vendors & Products Chattermate chattermate

Mon, 26 Jan 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 26 Jan 2026 12:00:00 +0000

Type Values Removed Values Added
First Time appeared Chattermate
Chattermate chattermate.chat
Vendors & Products Chattermate
Chattermate chattermate.chat

Sat, 24 Jan 2026 00:45:00 +0000

Type Values Removed Values Added
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.
Title ChatterMate has Stored Cross-Site Scripting (XSS) via Chatbot Input Execution
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-01-26T16:17:53.948Z

Reserved: 2026-01-22T18:19:49.172Z

Link: CVE-2026-24399

cve-icon Vulnrichment

Updated: 2026-01-26T16:15:52.860Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-24T01:15:50.393

Modified: 2026-02-12T16:05:57.580

Link: CVE-2026-24399

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-26T11:48:52Z