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.

References

https://www.mozilla.org/security/advisories/mfsa2020-08/

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

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3