CVE-2025-55030mediumCWE-640

CVE-2025-55030: medium-severity vulnerability in Mozilla Firefox for iOS

Content-Disposition headers incorrectly ignored for some MIME types

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.1epss 0.2%
Firefox for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline rather than downloading, potentially allowing for XSS attacks. This vulnerability was fixed in Firefox for iOS 142.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Affected products
Mozilla · Firefox for iOS
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