"value":"WebExtensions could use the \"mozAddonManager\" API by modifying the CSP headers on sites with the appropriate permissions and then using host requests to redirect script loads to a malicious site. This allows a malicious extension to then install additional extensions without explicit user permission. This vulnerability affects Firefox < 51."
}
]
},
"problemtype":{
"problemtype_data":[
{
"description":[
{
"lang":"eng",
"value":"WebExtensions can install additional add-ons via modified host requests"