What’s Vulnerable › Vulnerabilities

CVE-2021-44076

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-09-15 · updated 2026-06-17
• Weakness: CWE-79

Description

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: from 9.0.0 before 9.4.0_15 — fixed in 9.4.0_15

How to fix

Upgrade to a fixed version: CrushFTP 9.4.0_15. Check the vendor advisory for mitigations.

References

• https://labs.nettitude.com/blog/cve-2021-44076-cross-site-scripting-xss-in-crushftp/
• https://www.crushftp.com/
• https://labs.nettitude.com/blog/cve-2021-44076-cross-site-scripting-xss-in-crushftp/
• https://www.crushftp.com/

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