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Reflected XSS vulnerability in FluentCMS #2403

@eoniboogie

Description

@eoniboogie

Description:
A reflected cross-site scripting (XSS) vulnerability was identified in the admin page.
User input is not properly sanitized before being reflected in the HTTP response.

Impact:
An attacker could craft a malicious URL that executes arbitrary JavaScript in the victim’s browser.

Recommendation:
Implement proper input validation and output encoding on both frontend and backend.

Note:
Detailed reproduction steps and screenshots have been shared with the maintainer privately.

You can reproduce the vulnerability by following the steps below.

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