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CVE-2023-40045

WS_FTP Server Ad Hoc Transfer Module Reflected Cross-Site Scripting Vulnerability

MEDIUM
6.1
CVSS Score
Published: September 27, 2023 at 02:49 PM UTC
Updated: June 17, 2026 at 06:15 AM UTC
1 product affected across 1 vendorWS_FTP Server

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

WS_FTP Server· Progress
95%
v < 8.7.48.7.0 ≤ v < 8.7.48.8 ≤ v < 8.8.28.8.0 ≤ v < 8.8.28.7.08.8.0
Affected range stops below 8.7.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.8.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Vendor Advisory
Source: [email protected]
https://community.progress.com/s/article/WS-FTP-Server-Critical-Vulnerability-September-2023
Product
Source: [email protected]
https://www.progress.com/ws_ftp

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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