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    CVE-2026-37700

    Cross Site Scripting vulnerability in MaxSite CMS v.109.2 allows a remote attacker to obtain sensitive information via the Backend page file upload endpoint used by admin_page

    Published:Jun 3, 2026
    Last Modified:Jun 5, 2026
    EPS:Jun 3, 2026
    EPSS Score:0.00053
    CVSS Score:4.1

    Affected Products

    Vendor
    Maxsite
    Product
    Maxsite Cms

    Exploits

    No exploit reference

    Related CVEs

    CVE-2026-87930 (CVSS 9.2) — MaxSite CMS through 109.6 passes the ci_session cookie to unserialize() without class restrictions, allowing u…
    CVE-2026-87928 (CVSS 5.1) — MaxSite CMS versions 0.94 through 109.6 contain a cross-site scripting vulnerability in the admin_page upload …
    CVE-2026-70554 (CVSS 9.3) — MaxSite CMS contains a PHP object injection vulnerability that allows unauthenticated attackers to execute arb…
    CVE-2026-70553 (CVSS 9.3) — MaxSite CMS contains a remote code execution vulnerability that allows unauthenticated attackers to inject arb…
    CVE-2026-70552 (CVSS 9.3) — MaxSite CMS 109.5 and earlier contains an authentication bypass vulnerability in the AJAX dispatcher that allo…
    CVE-2023-36291 (CVSS 6.1) — Cross Site Scripting vulnerability in Maxsite CMS v.108.7 allows a remote attacker to execute arbitrary code v…
    CVE-2021-35265 (CVSS 6.1) — A reflected cross-site scripting (XSS) vulnerability in MaxSite CMS before V106 via product/page/* allows remo…

    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