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    CVE-2026-100521

    Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in the search plugin highlight parameter that performs no HTML or JavaScript escaping. Attackers can craft malicious links with injected JavaScript in the highlight parameter that executes in the browser of any visitor who opens the link, including administrators.

    Published:Sep 26, 2026
    Last Modified:Sep 29, 2026
    EPS:Sep 26, 2026
    EPSS Score:0.00201
    CVSS Score:6.1

    Affected Products

    Vendor
    Cotonti
    Product
    Cotonti
    Vendor
    Cotonti
    Product
    Cotonti Siena
    Vendor
    Cotonti
    Product
    Siena

    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