CVSS 3.0
7.3 highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:LCVE-2017-5386
WebExtension scripts can use the "data:" protocol to affect pages loaded by other web extensions using this protocol, leading to potential data disclosure or privilege escalation in affected extensions. This vulnerability affects Firefox ESR < 45.7 and Firefox < 51.
Severity
- EPSS
- 2.2% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)
- Published
- Modified
- Record from
- the NVD, synced
Affected
- debian:debian_linux
- mozilla:firefox
- redhat:enterprise_linux
- redhat:enterprise_linux_desktop
- redhat:enterprise_linux_server
- redhat:enterprise_linux_server_aus
- redhat:enterprise_linux_server_eus
- redhat:enterprise_linux_workstation