CVE-2021-44076

Name: CVE-2021-44076
Creator: NVD / NIST
Published: 2022-09-15T13:15:09.593+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2021-44076 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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). EPSS estimates a 0.56% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.56%

42.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Crushftp	Crushftp	>= 9.0.0, < 9.4.0_15

References

https://labs.nettitude.com/blog/cve-2021-44076-cross-site-scripting-xss-in-crushftp/Exploit, Third Party Advisory
https://www.crushftp.com/Vendor Advisory
https://labs.nettitude.com/blog/cve-2021-44076-cross-site-scripting-xss-in-crushftp/Exploit, Third Party Advisory
https://www.crushftp.com/Vendor Advisory

Timeline

Published: Sep 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-44076?

How severe is CVE-2021-44076?

CVE-2021-44076 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2021-44076?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-44076?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST