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:
EditorUi.prototype.generatePlantUmlImage=function(d,f,l,u){function A(M,O,H){c1=M>>2;c2=(M&3)<<4|O>>4;c3=(O&15)<<2|H>>6;c4=H&63;r="";r+=B(c1&63);r+=B(c2&63);r+=B(c3&63);return r+=B(c4&63)}function B(M){if(10>M)return String.fromCharCode(48+M);M-=10;if(26>M)return String.fromCharCode(65+M);M-=26;if(26>M)return String.fromCharCode(97+M);M-=26;return 0==M?"-":1==M?"_":"?"}var F=new XMLHttpRequest;F.open("GET",("txt"==f?PLANT_URL+"/txt/":"png"==f?PLANT_URL+"/png/":PLANT_URL+"/svg/")+function(M){r="";
for(i=0;i<M.length;i+=3)r=i+2==M.length?r+A(M.charCodeAt(i),M.charCodeAt(i+1),0):i+1==M.length?r+A(M.charCodeAt(i),0,0):r+A(M.charCodeAt(i),M.charCodeAt(i+1),M.charCodeAt(i+2));return r}(Graph.arrayBufferToString(pako.deflateRaw(d))),!0);"txt"!=f&&(F.responseType="blob");F.onload=function(M){if(200<=this.status&&300>this.status)if("txt"==f)l(this.response);else{var O=new FileReader;O.readAsDataURL(this.response);O.onloadend=function(H){var ja=new Image;ja.onload=function(){try{var da=ja.width,ca=
ja.height;if(0==da&&0==ca){var ia=O.result,ma=ia.indexOf(","),aa=decodeURIComponent(escape(atob(ia.substring(ma+1)))),la=mxUtils.parseXml(aa).getElementsByTagName("svg");0<la.length&&(da=parseFloat(la[0].getAttribute("width")),ca=parseFloat(la[0].getAttribute("height")))}l(O.result,da,ca)}catch(X){u(X)}};ja.src=O.result};O.onerror=function(H){u(H)}}else u(M)};F.onerror=function(M){u(M)};F.send()};EditorUi.prototype.insertAsPreText=function(d,f,l){var u=this.editor.graph,A=null;u.getModel().beginUpdate();