CVE-2025-15549: FluentCMS 2026 Stored XSS via SVG Upload in File Management
FluentCMS 2026 contains a stored cross-site scripting vulnerability that allows authenticated administrators to upload SVG files with embedded JavaScript via the File Management module. Attackers can upload malicious SVG files that execute JavaScript in the browser of any user accessing the uploaded file URL.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-15549?
CVE-2025-15549 has been rated as critical due to the potential for stored cross-site scripting attacks.
How do I fix CVE-2025-15549?
To fix CVE-2025-15549, users should upgrade to the latest version of FluentCMS that addresses this vulnerability.
Who is affected by CVE-2025-15549?
CVE-2025-15549 affects authenticated administrators of FluentCMS using the File Management module.
What type of vulnerability is CVE-2025-15549?
CVE-2025-15549 is a stored cross-site scripting (XSS) vulnerability.
What actions can attackers take with CVE-2025-15549?
Attackers can upload malicious SVG files that execute JavaScript in the context of the victim's browser.