PlumeCMS 1.2.4 Cross Site Scripting

2012.04.05
Credit: Ivano Binetti
Risk: Low
Local: No
Remote: Yes
CWE: CWE-79


Ogólna skala CVSS: 4.3/10
Znaczenie: 2.9/10
Łatwość wykorzystania: 8.6/10
Wymagany dostęp: Zdalny
Złożoność ataku: Średnia
Autoryzacja: Nie wymagana
Wpływ na poufność: Brak
Wpływ na integralność: Częściowy
Wpływ na dostępność: Brak

+--------------------------------------------------------------------------------------------------------------------------------+ # Exploit Title : PlumeCMS <= 1.2.4 Multiple Persistent XSS # Date : 04-04-2012 # Author : Ivano Binetti (http://www.ivanobinetti.com) # Software link : http://sourceforge.net/projects/pxsystem/files/latest/download?source=directory # Vendor site : http://pxsystem.sourceforge.net/ # Version : 1.2.4 (latest) and lower # Tested on : Debian Squeeze (6.0) # Original Advisory : http://www.webapp-security.com/2012/04/plumecms/ # CVE : CVE-2012-2156 +--------------------------------------------------------------------------------------------------------------------------------+ Summary 1)Introduction 2)Vulnerability Description 2.1 "u_email" parameter 2.2 "u_realname" parameter 2.3 "c_author" parameter 3)Exploit 3.2 Exploit "u_email" parameter 3.2 Exploit "u_realname" parameter 3.3 Exploit "c_author" parameter +---------------------------------------------------------------------------------------------------------------------------------+ 1)Introduction PlumeCMS is a "Versatile Content Management System in PHP on top of MySQL". 2)Vulnerability Description PlumeCMS 1.2.4 (and below) is prone to multiple peristent XSS vulnerability due to an improper input sanitization of multiple parameters. 2.1 "u_email" parameter "u_email" parameters is not correctly sanitized before being passed to server side script "manager/users.php" via http POST method. An attacker - who is able to change his profile settings - could insert malicious code into "Email" field - within "Authors" template - in order to create a persistent XSS vulnerability for all user/admin who access to Plume's management interface. 2.2 "u_realname" parameter "u_realname" parameter is not correctly sanitized before being passed to server side script "manager/users.php" via http POST method. An attacker - who is able to change his profile settings - could insert malicious code into "Name" field - within "Authors" template - in order to create a persistent XSS vulnerability for all user/admin who access to Plume's management interface. 2.3 "c_author" parameter An unauthenticated user could insert html/javascript code in "Author" field within "ADD A COMMENT" section - which is present in every web page - due to an incorrect sanitization of "c_author" parameter. This will produce a Persistent XSS vulnerability for all user/admin who will click on "Comments" tab within Plume's administration interface. 3)Exploit 3.1 Exploit "u_email" parameter Insert the following code in "Email" field within "Authors" template under "manager/users.php?user_id=<user_id>": <script>alert("xss")</script> 3.2 Exploit "u_realname" parameter Insert the following code in "Name" field within "Authors" template under "manager/users.php?user_id=<user_id>": <script>alert("xss")</script> 3.3 Exploit "c_author" parameter Insert the following code in "Author" field within "ADD A COMMENT" section": <script>alert("xss")</script> +----------------------------------------------------------------------------------------------------------------------------------+

Referencje:

http://sourceforge.net/projects/pxsystem/files/latest/download?source=directory
http://pxsystem.sourceforge.net/
http://www.webapp-security.com/2012/04/plumecms/


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