Intel

AIKIDO-2024-10478

@cloudflare/workers-shared is vulnerable to URL Redirection to Untrusted Site ('Open Redirect')

URL Redirection to Untrusted Site ('Open Redirect') Pre-CVE
Found by Aikido Intel before public disclosure or CVE publication.
Published Nov 25, 2024

48

Medium Risk

This Affects:

js@cloudflare/workers-shared
0.1.0 - 0.7.1
Fixed in 0.8.0
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TL;DR

Affected versions of this package are vulnerable to an open redirect by using trailing double slashes in the URL (such as https://example.com//attacker.example/) when accessing the worker asset path. This can allow attackers to redirect users to malicious websites.

Who does this affect?

You are affected if you are using a version which is within vulnerability ranges

Background info

@cloudflare/workers-shared is vulnerable to URL Redirection to Untrusted Site ('Open Redirect') in versions 0.1.0 - 0.7.1.

How to fix this

Upgrade the @cloudflare/workers-shared library to the patch version.