ZeroHour

CVE-2025-6430

CVSS 3.1
6.1 medium
EPSS
<1%p14
Published
()
Modified
Description

When a file download is specified via the `Content-Disposition` header, that directive would be ignored if the file was included via a `<embed>` or `<object>` tag, potentially making a website vulnerable to a cross-site scripting attack. This vulnerability was fixed in Firefox 140, Firefox ESR 128.12, Thunderbird 140, and Thunderbird 128.12.

Vendors
mozilla
Products
firefox
Weakness
CWE-79
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

In the news

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