XSS Vulnerabilities in Osclass


Advisory by Netsparker (now Invicti)
Name: XSS Vulnerability in Osclass
Affected Software: Osclass
Affected Versions: 3.4.1 and possibly below
Vendor Homepage: http://osclass.org/
Vulnerability Type: Cross-site Scripting
Severity: Critical
CVE-ID: CVE-2014-6280
Invicti Advisory Reference: NS-14-030


Several cross-site scripting vulnerabilities where discovered in Osclass, an open source project that allows you to create a classifieds sites.


Proof of Concept URLs for XSS in OsClass:


For more information on cross-site scripting vulnerabilities, see Cross-site Scripting (XSS).

Advisory Timeline

003/09/2014 – First Contact
03/09/2014 – Vulnerability fixed: https://github.com/osclass/Osclass/commit/c163bf5910d0d36424d7fc678da6b03a0e443435

Credits & Authors

These issues have been discovered by Omar Kurt while testing Invicti Web Application Security Scanner.

About Invicti

Invicti can find and report security issues and vulnerabilities such as SQL Injection and Cross-site Scripting (XSS) in all websites and web applications regardless of the platform and the technology they are built on.