WebExtensions can bypass user prompts to first save and then open an arbitrarily downloaded file. This can result in an executable file running with local user privileges without explicit user consent. This vulnerability affects Firefox < 58.
2018-06-11T21:29:13.013
2024-11-21T04:08:06.947
Modified
CVSSv3.0: 7.8 (HIGH)
AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
Type | Vendor | Product | Version/Range | Vulnerable? |
---|---|---|---|---|
Application | mozilla | firefox | ≤ 57.0.4 | Yes |
Operating System | canonical | ubuntu_linux | 14.04 | Yes |
Operating System | canonical | ubuntu_linux | 16.04 | Yes |
Operating System | canonical | ubuntu_linux | 17.10 | Yes |