Note:
This project will be discontinued after December 13, 2021. [more]
2020-03-25
When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an attacker to inject arbitrary styles, bypassing the intent of the Content Security Policy. This vulnerability affects Firefox < 74.
Products | Firefox |
Type | ? (NVD-CWE-Other) |
First patch | - None (likely due to unavailable code) |
Links |
• https://www.mozilla.org/security/advisories/mfsa2020-08/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1605814 |