CVE-2025-5020
published 2025-05-21CVE-2025-5020: Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilized…
PriorityP416medium4.3CVSS 3.1
AVNACLPRNUIRSUCNILAN
EPSS
0.20%
9.8th percentile
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.
Affected
3 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | firefox | — | — |
| mozilla | firefox | < 139.0 | 139.0 |
| mozilla | firefox | — | — |
CVSS provenance
nvdv3.14.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
osv4.3MEDIUM
vendor_debian4.3LOW
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Debian
CVE-2025-5020: firefox - Opening maliciously-crafted URLs in Firefox from other apps such as Safari could...
vendor_debian·2025·CVSS 4.3
CVE-2025-5020 [MEDIUM] CVE-2025-5020: firefox - Opening maliciously-crafted URLs in Firefox from other apps such as Safari could...
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 affects Firefox for iOS < 139.
Scope: local
sid: resolved
Mozilla
Mozilla Foundation Security Advisory 2025-39: CVE-2025-5020
vendor_mozilla·CVSS 4.3
CVE-2025-5020 [MEDIUM] Mozilla Foundation Security Advisory 2025-39: CVE-2025-5020
Mozilla Foundation Security Advisory 2025-39
CVE: CVE-2025-5020
Product: Firefox for iOS
Impact: low
Fixed in: Firefox for iOS 139
GHSA
GHSA-7mfw-wgr7-m3jg: Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilize
ghsa_unreviewed·2025-05-21
CVE-2025-5020 [MEDIUM] CWE-939 GHSA-7mfw-wgr7-m3jg: Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilize
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 affects Firefox for iOS < 139.
OSV
CVE-2025-5020: Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilize
osv·2025-05-21·CVSS 4.3
CVE-2025-5020 [MEDIUM] CVE-2025-5020: Opening maliciously-crafted URLs in Firefox from other apps such as Safari could have allowed attackers to spoof website addresses if the URLs utilize
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 affects Firefox for iOS < 139.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2025-05-21
Published