CVE-2026-28083

MEDIUM 6.5

WordPress Flatsome theme <= 3.20.1 - Cross Site Scripting (XSS) vulnerability

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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 <= 3.20.1.

CWE	CWE-79
Vendor	ux-themes
Product	flatsome
Published	Feb 26, 2026
Last Updated	Apr 1, 2026

Stay Ahead of the Next One

Get instant alerts for ux-themes flatsome

Be the first to know when new medium vulnerabilities affecting ux-themes flatsome are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

Affected Versions

UX-themes / Flatsome

0 ≤ 3.20.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

João Pedro S Alcântara (Kinorth) | Patchstack Bug Bounty Program