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    CVE-2026-53992

    ProjectSend r2029 contains a reflected cross-site scripting vulnerability in thumbnails-regenerate.php that allows remote attackers to inject arbitrary HTML and JavaScript by supplying unsanitized values in the start_date and end_date GET parameters, which are echoed unescaped into HTML attribute values. Attackers can craft a malicious URL that, when followed by an authenticated victim with edit_settings permissions, executes injected scripts in the application origin to steal session cookies or perform unauthorized actions including user management, file management, and application settings changes.

    Published:Aug 5, 2026
    Last Modified:Aug 14, 2026
    EPS:Aug 5, 2026
    EPSS Score:0.00231
    CVSS Score:6.1

    Affected Products

    Vendor
    Projectsend
    Product
    Projectsend

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-4045 (CVSS 2.9) — A flaw has been found in projectsend up to r1945. This impacts an unknown function of the file includes/Classe…
    CVE-2026-4044 (CVSS 2) — A vulnerability was detected in projectsend up to r1945. This affects the function realpath of the file /impor…
    CVE-2026-3977 (CVSS 5.3) — A security vulnerability has been detected in projectsend up to r1945. The affected element is an unknown func…
    CVE-2023-53980 (CVSS 8.7) — ProjectSend r1605 contains a remote code execution vulnerability that allows attackers to upload malicious fil…
    CVE-2023-53930 (CVSS 7.1) — ProjectSend r1605 contains an insecure direct object reference vulnerability that allows unauthenticated attac…
    CVE-2023-53906 (CVSS 5.1) — projectSend r1605 contains a stored cross-site scripting vulnerability that allows authenticated administrator…
    CVE-2023-53905 (CVSS 6.2) — ProjectSend r1605 contains a CSV injection vulnerability that allows authenticated users to inject malicious f…
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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