CVE-2023-40047: Progress WS_FTP Server

Medium severity, CVSS 4.8. EPSS: 0.4% chance of exploitation in the next 30 days.

In WS_FTP Server version prior to 8.8.2, a stored cross-site scripting (XSS) vulnerability exists in WS_FTP Server's Management module. An attacker with administrative privileges could import a SSL certificate with malicious attributes containing cross-site scripting payloads.  Once the cross-site scripting payload is successfully stored,  an attacker could leverage this vulnerability to target WS_FTP Server admins with a specialized payload which results in the execution of malicious JavaScript within the context of the victims browser.

Affected products

• Progress WS_FTP Server: before 8.8.2 (fixed in 8.8.2)

Published 2023-09-27. Last modified 2026-06-17.