Mozilla’s add-ons SDK had a world-accessible resource with an HTML injection vulnerability. If an additional vulnerability allowed this resource to be loaded as a document it could allow injecting content and script into an add-on’s context. This vulnerability affects Firefox < 50.1.
[
{
"product": "Firefox",
"vendor": "Mozilla",
"versions": [
{
"lessThan": "50.1",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]