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    CVE-2023-53980

    ProjectSend r1605 contains a remote code execution vulnerability that allows attackers to upload malicious files by manipulating file extensions. Attackers can upload shell scripts with disguised extensions through the upload.process.php endpoint to execute arbitrary commands on the server.

    Published:Dec 22, 2025
    Last Modified:Mar 5, 2026
    EPS:Dec 22, 2025
    EPSS Score:0.00398
    CVSS Score:9.8

    Affected Products

    Vendor
    Projectsend
    Product
    Projectsend

    Exploits

    https://www.exploit-db.com/exploits/51238https://www.vulncheck.com/advisories/projectsend-remote-code-execution-via-file-extension-manipulationhttps://www.exploit-db.com/exploits/51238

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2026-53992 (CVSS 5.1) — ProjectSend r2029 contains a reflected cross-site scripting vulnerability in thumbnails-regenerate.php that al…
    CVE-2021-47947 (CVSS 5.1) — Projectsend r1295 contains a stored cross-site scripting vulnerability that allows authenticated attackers to …
    CVE-2026-5624 (CVSS 2.1) — A security flaw has been discovered in ProjectSend r2002. This vulnerability affects unknown code of the file …
    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-2023-53930 (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…
    CVE-2025-13232 (CVSS 2) — A flaw has been found in projectsend up to r1720. Impacted is an unknown function of the component File Editor…

    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