CVE-2025-27426

MEDIUM 5.4

Firefox Mobile iOS Full Address Bar Spoof Using Server-Side Redirect to internal error page

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

Malicious websites utilizing a server-side redirect to an internal error page could result in a spoofed website URL. This vulnerability was fixed in Firefox for iOS 136.

Vendor	mozilla
Product	firefox for ios
Ecosystems	Browser JavaScript
Industries	Technology
Published	Mar 4, 2025
Last Updated	Apr 13, 2026

Stay Ahead of the Next One

Get instant alerts for mozilla firefox for ios

Be the first to know when new medium vulnerabilities affecting mozilla firefox for ios are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

Affected Versions

Mozilla / Firefox for iOS

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=1933079 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-13/

Credits

Renwa