CVE-2025-5020
Last modified
CVE-2025-5020 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Mozilla | Firefox | < 139.0 |
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1951558Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-39/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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