CVE-2026-24399

CRITICAL
2026-01-24 [email protected]
9.3
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:59 vuln.today
PoC Detected
Feb 12, 2026 - 16:05 vuln.today
Public exploit code
Patch Released
Feb 12, 2026 - 16:05 nvd
Patch available
CVE Published
Jan 24, 2026 - 01:15 nvd
CRITICAL 9.3

Tags

XSS AI / ML Chattermate

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.

Analysis

Stored XSS in ChatterMate AI chatbot framework versions 1.0.8 and below. The chatbot accepts and renders malicious HTML/JavaScript from user input. …

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Remediation

Within 24 hours: Identify all ChatterMate deployments and their versions; disable public-facing ChatterMate instances if running vulnerable versions. Within 7 days: Apply vendor patches to all affected systems and validate remediation in staging environments. …

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Priority Score

67
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +46
POC: +20

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CVE-2026-24399 vulnerability details – vuln.today
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