"value":"It is possible to execute JavaScript in the parsed RSS feed when RSS feed is viewed as a website, e.g. via “View -> Feed article -> Website” or in the standard format of “View -> Feed article -> default format”. This vulnerability affects Thunderbird < 52.5.2."
}
]
},
"problemtype":{
"problemtype_data":[
{
"description":[
{
"lang":"eng",
"value":"JavaScript Execution via RSS in mailbox:// origin"