CVE-2017-7821
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 2.0%
exploitation probability
2.0%top 21% of all CVEs
observed exploitation
nono source reports it
A vulnerability where WebExtensions can download and attempt to open a file of some non-executable file types. This can be triggered without specific user interaction for the file download and open actions. This could be used to trigger known vulnerabilities in the programs that handle those document types. This vulnerability affects Firefox < 56.
Affected products
Mozilla · Firefox