TI-2025-34724 Aliases CVE-2025-55032 GHSA-4cqw-2v9h-hfqw

Focus incorrectly ignores Content-Disposition headers for some MIME types

LOW 26CWE-601Published 2025-08-19 · Updated 2026-04-13

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Spoofing
Confidentiality · integrity · availability: Low · Low · None
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-601.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00158 4th percentileScored 2026-11-07

Fix Fixed Focus for iOS (Mozilla): 142

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Mozilla	Focus for iOS	—	142	Patch available	CNA

Focus for iOS VendorMozilla Affected — Fixed in 142 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mozilla:firefox_focus::::::iphone_os::*	before 142.0	Vulnerable	Mozilla

cpe:2.3:a:mozilla:firefox_focus:*:*:*:*:*:iphone_os:*:* Versions before 142.0 Vulnerable ·Mozilla

Remediation

Fix · CNA Focus for iOS (Mozilla) Fixed in 142

Timeline

2026-10-02 Threatist record created from CVE-2025-55032
2026-10-03 Alias added: GHSA-4cqw-2v9h-hfqw

References

Advisory 1

https://www.mozilla.org/security/advisories/mfsa2025-69/

Other 1

https://bugzilla.mozilla.org/show_bug.cgi?id=1976296

TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
TI-2022-09831 Use after free in Mozilla Firefox KEVCVSS 3.1HIGH 8.8
TI-2023-11015 Authentication bypass by spoofing in Mozilla Firefox CVSS 3.1HIGH 7.5
TI-2025-34723 Passkey phishing within Bluetooth range CVSS 3.1CRITICAL 9.8
TI-2023-13902 Different techniques existed to obscure the fullscreen notification in Firefox and Focus… CVSS 3.1CRITICAL 9.1
TI-2024-09702 Improper authentication in Mozilla Focus for iOS CVSS 3.1CRITICAL 9.1

See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences