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    CVE-2024-56408

    PhpSpreadsheet is a PHP library for reading and writing spreadsheet files. Versions prior to 3.7.0, 2.3.5, 2.1.6, and 1.29.7 have no sanitization in the `/vendor/phpoffice/phpspreadsheet/samples/Engineering/Convert-Online.php` file, which leads to the possibility of a cross-site scripting attack. Versions 3.7.0, 2.3.5, 2.1.6, and 1.29.7 contain a patch for the issue.

    Published:Jan 3, 2025
    Last Modified:May 20, 2025
    EPS:Jan 3, 2025
    EPSS Score:0.00131
    CVSS Score:5.4

    Affected Products

    Vendor
    Phpoffice
    Product
    Phpspreadsheet

    Exploits

    https://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-x88g-h956-m5xghttps://github.com/PHPOffice/PhpSpreadsheet/security/advisories/GHSA-x88g-h956-m5xg

    Related CVEs

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    CVE-2026-59931 (CVSS 7.7) — PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. In versions 4.0.0 through 5.8.…
    CVE-2026-45034 (CVSS 9.2) — PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to 1.30.5, CVE-2026-3408…
    CVE-2026-40863 (CVSS 7.5) — PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to 1.30.4, 2.1.16, 2.4.5…
    CVE-2026-40902 (CVSS 7.5) — PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. Prior to 1.30.4, 2.1.16, 2.4.5…
    CVE-2026-40296 (CVSS 5.4) — PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet files. The HTML writer skips htmlspec…
    CVE-2026-35453 (CVSS 4.8) — PhpSpreadsheet is a library for reading and writing spreadsheet files. In versions 1.30.3 and earlier, 2.0.0 t…
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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