high7.5
CVE-2020-12391
Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mozilla | Firefox | before 76.0 |