CVE-2020-12391

Description

Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context. This allowed the execution of scripts that should have been blocked, albeit with a unique opaque origin. This vulnerability affects Firefox < 76.

References

https://www.mozilla.org/security/advisories/mfsa2020-16/

https://bugzilla.mozilla.org/show_bug.cgi?id=1457100

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3