Document Title: =============== XERO Banking&Accounting - Cross Site Vulnerabilities References (Source): ==================== http://www.vulnerability-lab.com/get_content.php?id=316 Release Date: ============= 2012-01-22 Vulnerability Laboratory ID (VL-ID): ==================================== 316 Common Vulnerability Scoring System: ==================================== 3.5 Product & Service Introduction: =============================== Xero (NZX: XRO ) is an online accounting software product for small and medium-sized businesses, as well as for personal finance. The product is sold by subscription (a distribution model commonly known as Software as a Service or SaaS) requiring the payment of a monthly fee. This charge is proportionate to the number (and type) of company entities managed by the subscriber. (Copy of the Vendor Website: http://en.wikipedia.org/wiki/Xero_(software) ) Abstract Advisory Information: ============================== Vulnerability-Lab Team (Chokri B.A.) discovered multiple refelctive web vulnerability on the Online Banking & Accounting Software XERO. Vulnerability Disclosure Timeline: ================================== 2011-10-08: Vendor Notification 2011-11-08: Vendor Notification 2011-12-08: Vendor Notification 2011-**-**: Vendor Response/Feedback 2011-**-**: Vendor Fix/Patch 2012-01-23: Public or Non-Public Disclosure Discovery Status: ================= Published Exploitation Technique: ======================= Remote Severity Level: =============== Low Technical Details & Description: ================================ Multiple cross site vulnerabilities are detected on the Online Banking & Accounting Software XERO. The bug allows remote attacker to implement malicious script code on the application-side. Successful exploitation of the vulnerability allows an attacker to manipulate specific modules & can lead to session hijacking (user/mod/admin). Vulnerable Module(s): [+] Bank Accounts Picture(s): ../1.png ../2.png ../3.png ../4.png Proof of Concept (PoC): ======================= The vulnerabilities can be exploited by remote attackers with low user inter action. For demonstration or reproduce ... Vulnerable Module(s): [+] Bank Accounts ( Edit Bank Account ) [+] Bank Accounts ( Edit Banking Rules ) Security Risk: ============== The security risk of the cross site scripting vulnerabilities are estimated as medium. Credits & Authors: ================== Vulnerability Research Laboratory - Chokri B.A (Me!ster) 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 vendor licenses, policies, deface websites, hack into databases or trade with fraud/stolen material. Domains: www.vulnerability-lab.com - www.vuln-lab.com - www.vulnerability-lab.com/register Contact: admin@vulnerability-lab.com - support@vulnerability-lab.com - research@vulnerability-lab.com Section: video.vulnerability-lab.com - forum.vulnerability-lab.com - news.vulnerability-lab.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 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, sourcecode, videos and other information on this website is trademark of vulnerability-lab team & the specific authors or managers. To record, list (feed), modify, use or edit our material contact (admin@vulnerability-lab.com or support@vulnerability-lab.com) to get a permission. Copyright © 2012 | Vulnerability Laboratory