vulnerability
Red Hat: CVE-2020-12391: Mozilla: Content-Security-Policy bypass using object elements
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:P/A:N) | May 26, 2020 | Jul 9, 2025 | Jul 9, 2025 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
May 26, 2020
Added
Jul 9, 2025
Modified
Jul 9, 2025
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.
Solution
no-fix-redhat-rpm-package
References
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