uBidAuction v2.0.1 - Multiple XSS Web Vulnerabilities
Vulnerability Laboratory ID (VL-ID):
Common Vulnerability Scoring System:
Cross Site Scripting - Non Persistent
Current Estimated Price:
500€ - 1.000€
Product & Service Introduction:
uBidAuction is a powerful, scalable & fully-featured classic and bid auction software that lets create the ultimate
profitable online auctions website. It allows to manage entire online auction operation: create new auctions within
seconds, view members auctions and use the auction extension settings tool.
(Copy of the Homepage:https://www.apphp.com/codemarket/items/48/ubidauction-php-classic-and-bid-auctions-script )
Abstract Advisory Information:
The vulnerability laboratory core research team discovered multiple non-persistent cross site web vulnerabilities in the uBidAuction v2.0.1 script web-application.
Product: uBidAuction v2.0.1 - Auction Script (PHP) (Web-Application)
Product: ApPHP MVC Framework v1.2.2 (Framework)
Vulnerability Disclosure Timeline:
2022-09-01: Researcher Notification & Coordination (Security Researcher)
2022-09-02: Vendor Notification (Security Department)
2022-09-07: Vendor Response/Feedback (Security Department)
2022-**-**: Vendor Fix/Patch (Service Developer Team)
2022-**-**: Security Acknowledgements (Security Department)
2022-01-21: Public Disclosure (Vulnerability Laboratory)
Pre Auth (No Privileges or Session)
Low User Interaction
Technical Details & Description:
Multiple non-persistent cross site web vulnerabilities has been discovered in the official uBidAuction v2.0.1 script web-application.
The vulnerability allows remote attackers to inject own malicious script codes with non-persistent attack vector to compromise browser
to web-application requests from the client-side.
The cross site web vulnerabilities are located in the `date_created`, `date_from`, `date_to` and `created_at` parameters of the `filter` web module.
The injection point is located in the parameters and the execution occurs in the filter module. The request method to inject the malicious script
code is GET and the attack vector of the vulnerability is non-persistent on client-side.
Successful exploitation of the vulnerability results in session hijacking, non-persistent phishing attacks, non-persistent external redirects
to malicious source and non-persistent manipulation of affected application modules.
Proof of Concept (PoC):
The client-side cross site scripting web vulnerabilities can be exploited by remote attackers without account and with low user interaction.
For security demonstration or to reproduce the cross site web vulnerability follow the provided information and steps below to continue.
Exploitation: PoC (Role: Member)
Exploitation: PoC (Role: Admin)
Vulnerable Source: ./mailingLog
<a href="posts/add" class="add-new">Add Post</a><div class="filtering-wrapper">
<form id="frmFilterPosts" action="posts/manage" method="get">
Post Header: <input id="post_header" style="width:100px;" maxlength="255" type="text" value="avd" name="post_header">
Date Created: <input id="created_at" maxlength="255" style="width:80px;" type="text" value=""><iframe src="evil.source" onload="alert(document.cookie)">" name="created_at" /><div class="buttons-wrapper">
<input name="" class="button white" onclick="jQuery(location).attr('href','https://bid-auction.localhost:8080/posts/manage');" type="button" value="Cancel" />
<input name="but_filter" type="submit" value="Filter" />
--- PoC Session Logs (GET) ---
GET: HTTP/1.1 200 OK
Content-Type: text/html; charset=utf-8
Solution - Fix & Patch:
The vulnerability can be resolved by a filter or secure encode of the vulnerable date_created, date_from, date_to and created_at parameters.
Disallow the usage of special chars in the affected parameters on get method requests.
Sansitize the vulnerable output location to resolve the point of execution in the filter module.
Credits & Authors:
Vulnerability-Lab [Research Team] -https://www.vulnerability-lab.com/show.php?user=Vulnerability-Lab
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