CVE-2026-57728: Ux-Themes Flatsome

High severity, CVSS 7.1. EPSS: 0.3% 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 Reflected 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 2026-07-13. Last modified 2026-07-13.