jsendpoints

A JavaScript bookmarklet for extracting all webpage endpoint links on a page.

Created by @renniepak, this JavaScript code snippet can be used to extract all endpoints (starting with /) from the current webpage DOM including all external script sources embedded on the webpage.

javascript:(function(){var scripts=document.getElementsByTagName("script"),regex=/(?<=(\"|\'|\`))\/[a-zA-Z0-9_?&=\/\-\#\.]*(?=(\"|\'|\`))/g;const results=new Set;for(var i=0;i<scripts.length;i++){var t=scripts[i].src;""!=t&&fetch(t).then(function(t){return t.text()}).then(function(t){var e=t.matchAll(regex);for(let r of e)results.add(r[0])}).catch(function(t){console.log("An error occurred: ",t)})}var pageContent=document.documentElement.outerHTML,matches=pageContent.matchAll(regex);for(const match of matches)results.add(match[0]);function writeResults(){results.forEach(function(t){document.write(t+"<br>")})}setTimeout(writeResults,3e3);})();

Usage (Bookmarklet)

Create a bookmarklet...

• Right click your bookmark bar

• Click 'Add Page'

• Paste the above Javascript in the 'url' box

• Click 'Save'

...then visit the victim page in the browser and click the bookmarklet.