cvedb.io
CVE-2021-4221
MEDIUM · CVSS 4.3
EPSS exploitation probability: 0%
Published 2022-12-22T20:15:12.337 · Last modified 2026-06-17T04:19:14.537

Summary

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. <br>*This bug only affects Firefox for Android. Other operating systems are unaffected.*<br>*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.

Affected products

mozilla — firefox

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.