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.showBackgroundImageDialog=function(b,e){b=null!=b?b:mxUtils.bind(this,function(n){n=new ChangePageSetup(this,null,n);n.ignoreColor=!0;this.editor.graph.model.execute(n)});var g=mxUtils.prompt(mxResources.get("backgroundImage"),null!=e?e.src:"");null!=g&&0<g.length?(e=new Image,e.onload=function(){b(new mxImage(g,e.width,e.height),!1)},e.onerror=function(){b(null,!0);mxUtils.alert(mxResources.get("fileNotFound"))},e.src=g):b(null)};