CVE-2026-28083: Ux-Themes Flatsome

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in UX-themes Flatsome flatsome allows Stored XSS.This issue affects Flatsome: from n/a through <= 3.20.5.

Affected products

• Ux-Themes Flatsome: up to and including 3.20.5

Published 2026-02-26. Last modified 2026-06-17.