CVE-2025-55032

Focus incorrectly ignores Content-Disposition headers for some MIME types

State: Published
Severity: 6.1 Medium
Published: Aug 19, 2025
Updated: Apr 13, 2026
Reserved: Aug 5, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.1 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	CISA-ADP

Weaknesses

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Affected Products

Product	Versions
Focus for iOSMozilla	142 and laterNot affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1976296
https://www.mozilla.org/security/advisories/mfsa2025-69/

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