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XSS Vulnerability in TWiki with Scope and Other URL Parameters of WebSearch

Advisory by Netsparker.
Name: XSS Vulnerability with Scope and Other URL Parameters of WebSearch
Affected Software : TWiki
Affected Versions: 6.0.1 and possibly below
Vendor Homepage :
Vulnerability Type : Cross-site Scripting
Severity : Important
CVE ID: CVE-2014-9367
Netsparker Advisory Reference : NS-14-042


A malicious person can use specially crafted URL parameters to TWiki's WebSearch topic that execute arbitrary JavaScript code in the browser. Examples:

Specially crafted parameter to the view script of TWiki:

GET /do/view/TWiki/WebSearch?search=Search&scope='"--></style></script><script>alert('CVE-2014-9367 vulnarable!')</script>

TWiki decodes the URL parameters and pops up a JavaScript alert box showing "CVE-2014-9367 vulnarable!"

Technical Details

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

Advisory Timeline
09/12/2014 - First Contact
09/12/2014 - Vulnerability Fixed
18/12/2014 - Advisory Released


Credits & Authors
These issues have been discovered by Omar Kurt while testing Netsparker Web Application Security Scanner.

About Netsparker
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