CVE-2025-5020

Links using non-HTTP schemes opened from other apps such as Safari could have allowed spoofing of website addresses

CVSS 4.3 MEDIUMEPSS 0.2%CWE-939

Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized non-HTTP schemes used internally by the Firefox iOS client. This vulnerability was fixed in Firefox for iOS 139.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Affected products

Mozilla · Firefox for iOS

Want to know if your infrastructure is exposed to this?

Talk to TrueHacking →

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1951558 https://www.mozilla.org/security/advisories/mfsa2025-39/