CyberRota Analysis
This is a high severity vulnerability with a CVSS score of 7.5. It affects Firefox.
CVE
CVE-2018-5135
Severity
HIGH
CVSS
7.5
EPSS
1.55%
Firefox
Original NVD Description
WebExtensions can bypass normal restrictions in some circumstances and use "browser.tabs.executeScript" to inject scripts into contexts where this should not be allowed, such as pages from other WebExtensions or unprivileged "about:" pages. This vulnerability affects Firefox < 59.
Related CVEs
Other vulnerabilities affecting the same vendor(s)