CVE-2026-28083

MEDIUM

Flatsome <= 3.20.5 - Stored Cross-Site Scripting

Title source: llm

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.

References (1)

Core 1

Core References

Third Party Advisory vdb-entry

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

Scores

CVSS v3 6.5

EPSS 0.0013

EPSS Percentile 3.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (3)

UX-themes/Flatsome < 3.20.1

UX-themes/Flatsome < 3.20.5

UX-themes/Flatsome < <= 3.20.1

Published Feb 26, 2026

Tracked Since Feb 26, 2026