Flatsome vulnerabilities
Theme slug flatsome · 11 known vulnerabilities · latest disclosed 2026-07-06 · WordPress.org page
4 vulnerabilities have no fixed version yet. If you use this theme, consider disabling or replacing it until a fix is released.
1 of 11 rated high or critical (CVSS 7 or more).
Known vulnerabilities in Flatsome
| Severity | Affected versions | Fixed in | CVE | Published | Details |
|---|---|---|---|---|---|
| Medium 6.1 | <= 3.20.5 | No fix yet | CVE-2026-57728 | 2026-07-06 | Advisory |
| Medium 5.3 | <= 3.20.5 | No fix yet | CVE-2026-57729 | 2026-07-06 | Advisory |
| Medium 4.3 | <= 3.20.5 | No fix yet | CVE-2026-57730 | 2026-07-01 | Advisory |
| Medium 4.3 | <= 3.20.5 | No fix yet | CVE-2026-57731 | 2026-07-01 | Advisory |
| Medium 6.4 | <= 3.20.5 | 3.20.6 | CVE-2026-28083 | 2025-10-06 | Advisory |
| Medium 6.4 | <= 3.20.0 | 3.20.1 | CVE-2025-8684 | 2025-09-04 | Advisory |
| Medium 5.3 | <= 3.19.6 | 3.19.7 | CVE-2026-31915 | 2024-10-24 | Advisory |
| Medium 6.4 | <= 3.18.7 | 3.19.0 | CVE-2024-5346 | 2024-06-21 | Advisory |
| Medium 6.4 | <= 3.18.7 | 3.19.0 | CVE-2024-5156 | 2024-06-19 | Advisory |
| Critical 9.8 | <= 3.17.5 | 3.17.6 | CVE-2023-40555 | 2023-09-05 | Advisory |
| Medium 6.1 | <= 3.16.8 | 3.17.0 | CVE-2023-28994 | 2023-04-25 | Advisory |
Check if a site is affected
Enter a site address to see which version of Flatsome and other plugins it runs, and whether they match a known vulnerability.
Questions
Is the Flatsome theme safe to use?
4 known issue(s) have no fix yet, so check the table above before using it.
How do I check which version of Flatsome my site runs?
In WordPress go to Appearance > Themes. From the outside, the free PluginPeek scan below reads the version from the site's public files.
How do I fix a vulnerable theme?
Make a full backup, then update it from Dashboard > Updates and check the site afterwards. If you would rather not, we can do it for a fixed $99, paid after you have checked the site.