CVEs-PoC/2020/CVE-2020-6813.md

CVE-2020-6813

Description

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.

POC

Reference

• https://bugzilla.mozilla.org/show_bug.cgi?id=1605814

Github

No PoCs found on GitHub currently.