CVE-2025-5020
Links using non-HTTP schemes opened from other apps such as Safari could have allowed spoofing of website addresses
- State
- Published
- Severity
- 4.3 Medium
- Published
- May 21, 2025
- Updated
- Apr 13, 2026
- Reserved
- May 21, 2025
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N | CISA-ADP |
Weaknesses
- CWE-939 Improper Authorization in Handler for Custom URL Scheme
Affected Products
| Product | Versions |
|---|---|
Firefox for iOSMozilla |
|
References
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