XSS in Progress Ws FTP Server

CVE-2022-27665

Reflected XSS (via AngularJS sandbox escape expressions) exists in Progress Ipswitch WS_FTP Server 8.6.0. This can lead to execution of malicious code and commands on the client due to improper handling of user-provided input. By inputting malicious payloads in the subdirectory searchbar or Add folder filename boxes, it is possible to execute client-side commands. For example, there is Client-Side Template Injection via subFolderPath to the ThinClient/WtmApiService.asmx/GetFileSubTree URI.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.331 (98.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-27665?
CVE-2022-27665 is a medium-severity vulnerability in Progress Ws FTP Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-04-03.
How severe is CVE-2022-27665?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-27665 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.