CVE-2020-6813

medium

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

Published: 2020-03-25

Updated: 2020-03-30

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Severity: Medium