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    CVE-2026-63171

    Omnispace Agora Project before 26.10.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious script by submitting a crafted forum category description containing a double-quote character that breaks out of an HTML input value attribute. Attackers can exploit the HTMLPurifier configuration that preserves double-quotes to escape the attribute context and execute arbitrary script in the browser of users viewing the forum category.

    Published:Oct 13, 2026
    Last Modified:Oct 27, 2026
    EPS:Oct 13, 2026
    EPSS Score:0.00221
    CVSS Score:5.4

    Affected Products

    Vendor
    Agora-project
    Product
    Agora-project
    Vendor
    Omnispace
    Product
    Agora Project

    Exploits

    No exploit reference

    Related CVEs

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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