CVE-2020-12391

Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context

published May 26, 2020

CVSS
—
EPSS
1%
Percentile
73.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.01462 · 73.4th percentile
Published
2020-05-26T17:02Z
EPSS history
Timeline
  • 26 MAY 17:02Z
    Documents formed using data: URLs in an OBJECT element failed to inherit the CSP of the creating context
    cvelistv5