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CVE-2021-4221

Description

If a domain name contained a RTL character, it would cause the domain to be rendered to the right of the path. This could lead to user confusion and spoofing attacks.
*This bug only affects Firefox for Android. Other operating systems are unaffected.*
*Note*: Due to a clerical error this advisory was not included in the original announcement, and was added in Feburary 2022. This vulnerability affects Firefox < 92.

POC

Reference

- https://bugzilla.mozilla.org/show_bug.cgi?id=1704422

Github

No PoCs found on GitHub currently.