47
CVE-2021-4140
PoC —CVSS 3.1
10.0 critical
EPSS
1%p70
Published
()
Modified
Description
It was possible to construct specific XSLT markup that would be able to bypass an iframe sandbox. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.
- Vendors
- mozilla
- Products
- firefox, firefox esr, thunderbird
- Weakness
- CWE-91
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H