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    CVE-2026-93870

    Cotonti through 1.0.0 fails to validate anti-CSRF tokens in the ratings plugin AJAX handler, allowing attackers to forge ratings on behalf of authenticated users. Attackers can craft malicious pages that auto-submit POST requests to modify stored rating data when visited by logged-in users.

    Published:Sep 18, 2026
    Last Modified:Sep 22, 2026
    EPS:Sep 18, 2026
    EPSS Score:0.00136
    CVSS Score:4.3

    Affected Products

    Vendor
    Cotonti
    Product
    Cotonti Siena
    Vendor
    Cotonti
    Product
    Siena

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-352 Cross-Site Request Forgery

    Related CVEs

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    CVE-2026-100524 (CVSS 5.3) — Cotonti through 1.0.0 contains a cross-site request forgery vulnerability in the extensions manager that allow…
    CVE-2026-100523 (CVSS 5.1) — Cotonti through 1.0.0 contains an open redirect vulnerability in message.php that base64-decodes the redirect …
    CVE-2026-100522 (CVSS 5.1) — Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in message.php where the lng par…
    CVE-2026-100521 (CVSS 5.1) — Cotonti through 1.0.0 contains a reflected cross-site scripting vulnerability in the search plugin highlight p…
    CVE-2026-93873 (CVSS 5.3) — Cotonti through 1.0.0 fails to validate anti-CSRF tokens in the contact plugin submission handler, allowing at…
    CVE-2026-93872 (CVSS 7.7) — Cotonti 1.0.0 passes the base64-decoded cb parameter to unserialize() without allowed_classes restriction in t…
    CVE-2026-93871 (CVSS 5.1) — Cotonti through 1.0.0 fails to validate redirect destinations in page bodies prefixed with redir:, allowing au…
    CVE-2026-93869 (CVSS 5.3) — Cotonti through 1.0.0 contains an open redirect vulnerability in the cot_url_check() function that validates r…

    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