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    CVE-2025-58054

    Discourse is an open-source community discussion platform. Versions 3.5.0 and below are vulnerable to XSS attacks through parsing and rendering of chat channel titles and chat thread titles via the quote message functionality when using the rich text editor. This issue is fixed in version 3.5.1.

    Published:Oct 1, 2025
    Last Modified:Oct 23, 2025
    EPS:Oct 1, 2025
    EPSS Score:0.00029
    CVSS Score:3.5

    Affected Products

    Vendor
    Discourse
    Product
    Discourse

    Exploits

    No exploit reference

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    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