CVE-2021-44076: CrushFTP

Medium severity, CVSS 4.8. EPSS: 0.7% chance of exploitation in the next 30 days.

An issue was discovered in CrushFTP 9. The creation of a new user through the /WebInterface/UserManager/ interface allows an attacker, with access to the administration panel, to perform Stored Cross-Site Scripting (XSS). The payload can be executed in multiple scenarios, for example when the user's page appears in the Most Visited section of the page.

Affected products

• CrushFTP CrushFTP: from 9.0.0, before 9.4.0_15 (fixed in 9.4.0_15)

Published 2022-09-15. Last modified 2026-06-17.