CVE-2021-44076 json
An issue was discovered in CrushFTP 9.
published 2022-09-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30935
- cvss
- 4.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- crushftp crushftp 9.4.0_15
Exploit prediction
0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- labs.nettitude.com https://labs.nettitude.com/blog/cve-2021-44076-cross-site-scripting-xss-in-crushftp/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 4.8 | CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
labs.nettitude.com
/blog/cve-2021-44076-cross-site-scripting-xss-in-crushftp/
exploit, third-party-advisory
-
crushftp.com
/
vendor-advisory
Sources
- CVE List CVE-2021-44076
- NVD CVE-2021-44076
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.