AIKIDO-2024-10191
next-intl is vulnerable to URL Redirection to Untrusted Site ('Open Redirect')
80
High Risk
This Affects:
next-intlTL;DR
Affected versions of the next-intl library are vulnerable to open redirect. The library accepts user-controlled input that specifies a link to an external site and uses it in a redirect, facilitating phishing attacks. The vulnerability occurs because decodeURI does not escape decoded backslashes (%5C & %5c), leading to unsafe external pathnames in the middleware functionality.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
next-intl is vulnerable to URL Redirection to Untrusted Site ('Open Redirect') in versions 3.11.0 - 3.17.1.
How to fix this
Upgrade the next-intl library to the patch version.
Are You Affected?
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