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CVE-2018-5138
MEDIUM · CVSS 5.3
EPSS exploitation probability: 0%
Published 2018-06-11T21:29:14.483 · Last modified 2026-06-17T01:59:41.660

Summary

A spoofing vulnerability can occur when a malicious site with an extremely long domain name is opened in an Android Custom Tab (a browser panel inside another app) and the default browser is Firefox for Android. This could allow an attacker to spoof which page is actually loaded and in use. Note: this issue only affects Firefox for Android. Other versions and operating systems are unaffected. This vulnerability affects Firefox < 59.

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.