CVE-2021-4140

critical

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.

References

https://www.mozilla.org/security/advisories/mfsa2022-03/

https://www.mozilla.org/security/advisories/mfsa2022-02/

https://www.mozilla.org/security/advisories/mfsa2022-01/

https://bugzilla.mozilla.org/show_bug.cgi?id=1746720

Details

Source: Mitre, NVD

Published: 2022-12-22

Updated: 2023-01-03

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3