"value":"When an \"iframe\" has a \"sandbox\" attribute and its content is specified using \"srcdoc\", that content does not inherit the containing page's Content Security Policy (CSP) as it should unless the sandbox attribute included \"allow-same-origin\". This vulnerability affects Firefox < 55."
}
]
},
"problemtype":{
"problemtype_data":[
{
"description":[
{
"lang":"eng",
"value":"Sandboxed about:srcdoc iframes do not inherit CSP directives"