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    CVE-2026-23612

    GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the IP DNS Blocklist configuration page. An authenticated user can supply HTML/JavaScript in the ctl00$ContentPlaceHolder1$pv1$TXB_IPs parameter to /MailEssentials/pages/MailSecurity/ipdnsblocklist.aspx, which is stored and later rendered in the management interface, allowing script execution in the context of a logged-in user.

    Published:Feb 19, 2026
    Last Modified:Apr 16, 2026
    EPS:Feb 19, 2026
    EPSS Score:0.00038
    CVSS Score:5.4

    Affected Products

    Vendor
    Gfi
    Product
    Mailessentials
    Vendor
    Gfi
    Product
    Mailessentials Ai

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-23620 (CVSS 5.3) — GFI MailEssentials AI versions prior to 22.4 contain an arbitrary file existence enumeration vulnerability in …
    CVE-2026-23619 (CVSS 5.1) — GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Local …
    CVE-2026-23618 (CVSS 5.1) — GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Spam K…
    CVE-2026-23617 (CVSS 5.1) — GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Spam K…
    CVE-2026-23616 (CVSS 5.1) — GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Anti-S…
    CVE-2026-23615 (CVSS 5.1) — GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Sender…
    CVE-2026-23614 (CVSS 5.1) — GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the Sender…
    CVE-2026-23613 (CVSS 5.1) — GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the URI DN…
    CVE-2026-23611 (CVSS 5.1) — GFI MailEssentials AI versions prior to 22.4 contain a stored cross-site scripting vulnerability in the IP Blo…

    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