Medium · 6.5 CVE-2026-28083 EUVD-2026-8843GHSA-wc4c-6r77-mp37

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

Published Feb 26, 2026 · Updated Apr 28, 2026 · Assigned by Patchstack

Description

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

Vendor	Product	Affected	Fixed
UX-themes	Flatsome	≤ 3.20.5	—

References

https://patchstack.com/database/Wordpress/Theme/flatsome/vulnerability/wordpress-flatsome-theme-3-20-1-cross-site-scripting-xss-vulnerability?_s_id=cve vdb-entry