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    CVE-2026-55741

    Cotonti 1.0.0 (master branch, commit f43f1fc3) is vulnerable to Cross-Site Request Forgery in the administration configuration handler. In system/admin/admin.config.php, the configuration update action ('a=update') processes POST data via cot_config_update_options without calling cot_check_xg to validate the anti-CSRF token (the 'x' parameter), unlike other admin handlers (e.g. admin.structure.php, admin.cache.php).

    Published:Jun 18, 2026
    Last Modified:Aug 10, 2026
    EPS:Jun 18, 2026
    EPSS Score:0.00176
    CVSS Score:8.8

    Affected Products

    Vendor
    Cotonti
    Product
    Cotonti

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-71294 (CVSS 7.6) — Cotonti CMS's Comments plugin deserializes user-supplied data without restricting the classes that may be inst…
    CVE-2026-58144 (CVSS 5.1) — Cotonti Siena 0.9.26 and earlier contains a stored cross-site scripting vulnerability that allows authenticate…
    CVE-2026-58143 (CVSS 8.7) — Cotonti Siena 0.9.26 and earlier contains a cross-site request forgery vulnerability that allows unauthenticat…
    CVE-2026-55746 (CVSS 7) — Cotonti 1.0.0 (master branch, commit f43f1fc3) is vulnerable to stored Cross-Site Scripting in the Personal Fi…
    CVE-2026-55745 (CVSS 5.3) — Cotonti 1.0.0 (master branch, commit f43f1fc3) is vulnerable to Cross-Site Request Forgery in the Personal Fil…
    CVE-2026-55744 (CVSS 8.6) — Cotonti 1.0.0 (master branch, commit f43f1fc3) is vulnerable to Cross-Site Request Forgery in the Personal Fil…
    CVE-2026-55742 (CVSS 9.4) — Cotonti 1.0.0 (master branch, commit f43f1fc3) is vulnerable to Cross-Site Request Forgery in the administrati…

    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