Cross-site Scripting Vulnerability in Flatsome Theme by UX-themes
CVE-2026-28083

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Flatsome
Vendor
CVE Published:
26 February 2026

What is CVE-2026-28083?

The Flatsome theme developed by UX-themes is susceptible to a cross-site scripting (XSS) vulnerability. This flaw allows attackers to inject malicious scripts into web pages viewed by users, potentially leading to unauthorized actions on behalf of the user. The vulnerability affects versions of the Flatsome theme up to and including 3.20.1, allowing stored XSS attacks that could compromise user data and lead to further security breaches.

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Deploy the Patch

Affected Version(s)

Flatsome <= n/a

References

https://patchstack.com/database/Wordpress/Theme/flatsome/...
vdb-entry

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

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