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    CVE-2026-30048

    A stored cross-site scripting (XSS) vulnerability exists in the NotChatbot WebChat widget thru 1.4.4. User-supplied input is not properly sanitized before being stored and rendered in the chat conversation history. This allows an attacker to inject arbitrary JavaScript code which is executed when the chat history is reloaded. The issue is reproducible across multiple independent implementations of the widget, indicating that the vulnerability resides in the product itself rather than in a specific website configuration.

    Published:Mar 18, 2026
    Last Modified:Mar 24, 2026
    EPS:Mar 18, 2026
    EPSS Score:0.00031
    CVSS Score:5.4

    Affected Products

    Vendor
    Developer.notchatbot
    Product
    Webchat

    Exploits

    https://github.com/0xN4no/CVE-2026-30048

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High