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    CVE-2026-40548

    SOPlanning does not verify uploaded file extension. An authenticated attacker with access to the backup functionality can upload a crafted ZIP archive containing a legitimate user.csv file alongside a malicious file, which is extracted on the server. When combined with CVE-2026-40547 (Path Traversal), the malicious file (e.g., a PHP script) can be placed in a web-accessible location and executed via the browser. This issue affects SOPlanning version 1.55 and below.

    Published:Jun 1, 2026
    Last Modified:Jun 1, 2026
    EPS:Jun 1, 2026
    EPSS Score:0.00039
    CVSS Score:6.4

    Affected Products

    Vendor
    Soplanning
    Product
    Soplanning

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    Related CVEs

    CVE-2026-50644 (CVSS 8.6) — SOPlanning is vulnerable to SQL injection in the audit retention configuration. An attacker holding parameters…
    CVE-2026-40549 (CVSS 5.1) — SOPlanning is vulnerable to Cross‑Site Request Forgery (CSRF) in groupe_save create, modify and delete endpoin…
    CVE-2026-40547 (CVSS 6.4) — SOPlanning is vulnerable to Path Traversal in backup endpoints. Authenticated remote attacker is able to expl…
    CVE-2026-40546 (CVSS 8.7) — SOPlanning is vulnerable to SQL Injection across multiple endpoints and parameters. Attacker with low privileg…
    CVE-2026-40545 (CVSS 5.1) — SOPlanning is vulnerable to Reflected XSS via the taches parameter. An attacker can craft a malicious URL whic…
    CVE-2026-40544 (CVSS 5.1) — SOPlanning is vulnerable to Stored Cross-Site Scripting (XSS) via /process/upload_backup endpoint. An authenti…
    CVE-2026-40543 (CVSS 8.8) — SOPlanning does not enforce authorization for backup functionalities. An unauthenticated attacker can directly…
    CVE-2024-33724 (CVSS 5.4) — SOPlanning 1.52.00 is vulnerable to Cross Site Scripting (XSS) via the groupe_id parameter to process/groupe_s…
    CVE-2024-33722 (CVSS 6.3) — SOPlanning 1.52.00 is vulnerable to SQL Injection by an authenticated user via projets.php with statut[].…
    CVE-2025-62731 (CVSS 5.1) — SOPlanning is vulnerable to Stored XSS in /feries endpoint. Malicious attacker with access to public holidays …

    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