Mozilla: >> Firefox Focus >> 138.0 Security Vulnerabilities
Opening links via the contextual menu in Focus iOS for certain URL schemes would fail to load but would not refresh the toolbar correctly, allowing attackers to spoof websites if users were coerced into opening a link explicitly through a long-press. This vulnerability was fixed in Focus for iOS 143.0.
CVSS Score
6.5
EPSS Score
0.0
Published
2025-09-16
Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An attacker within Bluetooth range could have used this to trick the user into using their passkey to log the attacker's computer into the target account. This vulnerability was fixed in Firefox for iOS 142 and Focus for iOS 142.
CVSS Score
9.8
EPSS Score
0.001
Published
2025-08-19
Focus for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline, potentially allowing for XSS attacks. This vulnerability was fixed in Focus for iOS 142.
CVSS Score
6.1
EPSS Score
0.0
Published
2025-08-19
Dragging JavaScript links to the URL bar in Focus for iOS could be utilized to run malicious scripts, potentially resulting in XSS attacks. This vulnerability was fixed in Focus for iOS 142.
CVSS Score
6.1
EPSS Score
0.0
Published
2025-08-19