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Flatsome

flatsome · theme

Known security vulnerabilities for Flatsome. Find out in seconds which version runs on your site with WP Lens.

8 known vulnerabilities

1 critical · latest Jul 13, 2026

Vulnerabilities

  • CVE-2023-40555

    WordPress Flatsome Theme <= 3.17.5 is vulnerable to PHP Object Injection

    Critical 9.8

  • CVE-2026-57729

    WordPress Flatsome theme <= 3.20.5 - Broken Access Control vulnerability

    High 7.5

  • CVE-2026-57728

    WordPress Flatsome theme <= 3.20.5 - Reflected Cross Site Scripting (XSS) vulnerability

    High 7.1

  • CVE-2026-57731

    WordPress Flatsome theme <= 3.20.5 - Broken Access Control vulnerability

    Medium 6.5

  • CVE-2026-28083

    WordPress Flatsome theme <= 3.20.5 - Cross Site Scripting (XSS) vulnerability

    Medium 6.5

  • CVE-2023-28994

    WordPress Flatsome Theme <= 3.16.8 is vulnerable to Cross Site Scripting (XSS)

    Medium 6.1

  • CVE-2026-31915

    WordPress Flatsome theme <= 3.19.6 - Broken Access Control vulnerability

    Medium 5.3

  • CVE-2026-57730

    WordPress Flatsome theme <= 3.20.5 - Broken Access Control vulnerability

    Medium 4.3

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