CVE-2022-40931 Dutchoders transfer.sh contains an XSS vulnerability via malicious file upload

Medium 6.1 Published 29 Sep 2022 Updated 20 May 2025

Cross-site scripting vulnerability in Transfer.sh allows attackers to inject malicious scripts, potentially leading to session hijacking or code execution.

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-2022-40931?

CVE-2022-40931 is a medium-severity cross-site scripting vulnerability in n/a, published on 29 Sep 2022. 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

dutchcoders Transfer.sh 1.4.0 is vulnerable to Cross Site Scripting (XSS).

Weakness: CWE-79

Which versions are affected by CVE-2022-40931?

2 open source packages ship an affected version, including github.com/dutchcoders/transfer.sh. It affects 1 product.

Package	Affected	Fixed in
`github.com/dutchcoders/transfer.sh` Go	All versions to `1.4.0`	None
`github.com/dutchcoders/transfer.sh` Go	All versions to `1.4.0`	None

Products include Dutchcoders Transfer.sh.

How do I fix CVE-2022-40931?

No fix has been published for CVE-2022-40931 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-2022-40931 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40931 exists.

Sources

Also known as GHSA-pwq7-f7f9-cm2j.