When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
2020-01-08T22:15:12.277
2024-11-21T04:31:32.987
Modified
CVSSv3.1: 6.1 (MEDIUM)
AV:N/AC:M/Au:N/C:N/I:P/A:N
8.6
2.9
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | mozilla | firefox | < 72.0 | Yes |
Application | mozilla | firefox_esr | < 68.4 | Yes |
Operating System | debian | debian_linux | 8.0 | Yes |
Operating System | debian | debian_linux | 9.0 | Yes |
Operating System | debian | debian_linux | 10.0 | Yes |
Operating System | canonical | ubuntu_linux | 16.04 | Yes |
Operating System | canonical | ubuntu_linux | 18.04 | Yes |
Operating System | canonical | ubuntu_linux | 19.04 | Yes |
Operating System | canonical | ubuntu_linux | 19.10 | Yes |
Operating System | redhat | enterprise_linux_desktop | 6.0 | Yes |
Operating System | redhat | enterprise_linux_desktop | 7.0 | Yes |
Operating System | redhat | enterprise_linux_server | 6.0 | Yes |
Operating System | redhat | enterprise_linux_server | 7.0 | Yes |
Operating System | redhat | enterprise_linux_server_aus | 7.7 | Yes |
Operating System | redhat | enterprise_linux_server_tus | 7.7 | Yes |
Operating System | redhat | enterprise_linux_workstation | 6.0 | Yes |
Operating System | redhat | enterprise_linux_workstation | 7.0 | Yes |