CVE-2023-40045

6.1 mediumEPSS 0.9%

Medium (6.1) in progress ws ftp server. EPSS 0.9% chance of exploitation in the next 30 days.

In WS_FTP Server versions prior to 8.7.4 and 8.8.2, a reflected cross-site scripting (XSS) vulnerability exists in WS_FTP Server's Ad Hoc Transfer module. An attacker could leverage this vulnerability to target WS_FTP Server users with a specialized payload which results in the execution of malicious JavaScript within the context of the victims browser.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 59% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2023-09-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

progress:ws_ftp_server

References

https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023
https://www.progress.com/ws_ftp
https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023
https://www.progress.com/ws_ftp

Check your stack JSON