CVE-2017-7816
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 1.3%
exploitation probability
1.3%top 32% of all CVEs
observed exploitation
nono source reports it
WebExtensions could use popups and panels in the extension UI to load an "about:" privileged URL, violating security checks that disallow this behavior. This vulnerability affects Firefox < 56.
Affected products
Mozilla · Firefox