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

High 8.3 Published Updated

An attacker with admin privileges can inject malicious JavaScript via SSL certificates, leading to code execution in other admins' browsers.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2023-40047?

CVE-2023-40047 is a high-severity cross-site scripting vulnerability in Progress Software Corporation WS_FTP Server, published on 27 Sep 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

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.

Weakness: CWE-79

Which versions are affected by CVE-2023-40047?

It affects 1 product.

Products include Progress Ws Ftp Server.

How do I fix CVE-2023-40047?

No fix has been published for CVE-2023-40047 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2023-40047 being exploited?

There is no known exploitation of CVE-2023-40047 in the wild and no public exploit code.

Sources

Also known as GHSA-5829-ch6w-2w9q.

Is CVE-2023-40047 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free