CVE-2026-57728highCWE-79

CVE-2026-57728: high-severity vulnerability in UX-themes Flatsome

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

Published

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.1epss 0.3%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Affected products
UX-themes · Flatsome
Related CVEs — UX-themes Flatsome

In the same product, most dangerous first.

CVE-2023-28994HIGHWordPress Flatsome Theme <= 3.16.8 is vulnerable to Cross Site Scripting (XSS)EPSS 0.4%CVE-2026-57729HIGHWordPress Flatsome theme <= 3.20.5 - Broken Access Control vulnerabilityEPSS 0.4%CVE-2026-57731MEDIUMWordPress Flatsome theme <= 3.20.5 - Broken Access Control vulnerabilityEPSS 0.3%CVE-2026-31915MEDIUMWordPress Flatsome theme <= 3.19.6 - Broken Access Control vulnerabilityEPSS 0.3%CVE-2026-57730MEDIUMWordPress Flatsome theme <= 3.20.5 - Broken Access Control vulnerabilityEPSS 0.3%CVE-2024-5156MEDIUMFlatsome <= 3.18.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via ShortcodeEPSS 0.3%