Vulnerability · Published Sep 27, 2023 · Assigned by ProgressSoftware

CVE-2023-40047WS_FTP Server Stored Cross-Site Scripting Vulnerability

High 8.3

In plain English

A high-severity cross-site scripting in WS_FTP Server from Progress Software Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 3.1)8.3High

Exploit odds (30 days)0.4%top 64.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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 (as reported)

Vendor	Product	Versions
Progress Software Corporation	WS_FTP Server	8.8.0 – before 8.8.2

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

References

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