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    CVE-2026-35054

    XenForo before 2.3.9 is vulnerable to stored cross-site scripting (XSS) related to BB code rendering. An attacker can inject malicious scripts through BB code that are stored and executed when other users view the content.

    Published:Apr 1, 2026
    Last Modified:Apr 2, 2026
    EPS:Apr 1, 2026
    EPSS Score:0.00029
    CVSS Score:6.4

    Affected Products

    Vendor
    Xenforo
    Product
    Xenforo

    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