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    1 vulnerability by chattermate

    CVE-2026-24399 (GCVE-0-2026-24399)

    Vulnerability from cvelistv5 – Published: 2026-01-24 00:05 – Updated: 2026-01-26 16:17
    VLAI
    Title
    ChatterMate has Stored Cross-Site Scripting (XSS) via Chatbot Input Execution
    Summary
    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.
    Severity
    9.3 (Critical)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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                "id": "CVE-2026-24399",
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                "timestamp": "2026-01-26T16:15:51.831434Z",
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        "title": "CISA ADP Vulnrichment"
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          "product": "chattermate.chat",
          "vendor": "chattermate",
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          "value": "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 \u003ciframe\u003e 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."
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      ],
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            "attackComplexity": "LOW",
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            "confidentialityImpact": "HIGH",
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N",
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      "references": [
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          "name": "https://github.com/chattermate/chattermate.chat/security/advisories/GHSA-72p3-w95w-q3j4",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/chattermate/chattermate.chat/security/advisories/GHSA-72p3-w95w-q3j4"
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        {
          "name": "https://github.com/chattermate/chattermate.chat/commit/ff3398031abb97ae28546eaf993fed3619eaffdd",
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