Language: JavaScript
Label: vulnerable
CWE: CWE-79 \u2014 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Code:
Graph.customFontElements={};Graph.recentCustomFonts={};Graph.isGoogleFontUrl=function(m){return m.substring(0,Editor.GOOGLE_FONTS.length)==Editor.GOOGLE_FONTS};Graph.isCssFontUrl=function(m){return Graph.isGoogleFontUrl(m)};Graph.createFontElement=function(m,B){var K=Graph.fontMapping[B];null==K&&Graph.isCssFontUrl(B)?(m=document.createElement("link"),m.setAttribute("rel","stylesheet"),m.setAttribute("type","text/css"),m.setAttribute("charset","UTF-8"),m.setAttribute("href",B)):(null==K&&(K='@font-face {\nfont-family: "'+
m+'";\nsrc: url("'+B+'");\n}'),m=document.createElement("style"),mxUtils.write(m,K));return m};Graph.addFont=function(m,B,K){if(null!=m&&0<m.length&&null!=B&&0<B.length){var R=m.toLowerCase();if("helvetica"!=R&&"arial"!=m&&"sans-serif"!=R){var U=Graph.customFontElements[R];null!=U&&U.url!=B&&(U.elt.parentNode.removeChild(U.elt),U=null);null==U?(U=B,"http:"==B.substring(0,5)&&(U=PROXY_URL+"?url="+encodeURIComponent(B)),U={name:m,url:B,elt:Graph.createFontElement(m,U)},Graph.customFontElements[R]=U,