Prevent XSS vul by srcdoc in iframe

Author: SISheogorath

public/js/render.js

@@ -18,7 +18,7 @@ whiteList['style'] = []
 // allow kbd tag
 whiteList['kbd'] = []
 // allow ifram tag with some safe attributes
-whiteList['iframe'] = ['allowfullscreen', 'name', 'referrerpolicy', 'sandbox', 'src', 'srcdoc', 'width', 'height']
+whiteList['iframe'] = ['allowfullscreen', 'name', 'referrerpolicy', 'sandbox', 'src', 'width', 'height']
 // allow summary tag
 whiteList['summary'] = []