CVE-2026-57728

HIGH 7.1

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

CVSS Score

7.1

EPSS Score

0.3%

EPSS Percentile

16th

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.

CWE	CWE-79
Vendor	ux-themes
Product	flatsome
Published	Jul 13, 2026
Last Updated	Jul 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

UX-themes / Flatsome

0 ≤ 3.20.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Theme/flatsome/vulnerability/wordpress-flatsome-theme-3-20-5-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve

Credits

Bonds | Patchstack Bug Bounty Program