Total Tests:

Cross-site Scripting (XSS) Vulnerabilities in TTChat

Advisory ID:HTB22996
Product:TTChat
Vendor:http://www.ttfreeware.com/
Vulnerable Versions:1.04 and probably prior
Tested Version:1.04
Advisory Publication:May 12, 2011 [without technical details]
Vendor Notification:May 12, 2011
Public Disclosure:May 26, 2011
Vulnerability Type:Cross-Site Scripting [CWE-79]
Risk Level:Medium
CVSSv2 Base Score:4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Discovered and Provided:High-Tech Bridge Security Research Lab
 

Advisory Details:

High-Tech Bridge SA Security Research Lab has discovered two vulnerabilities in TTChat which could be exploited to perform cross-site scripting attacks.

1) Cross-site scripting (XSS) vulnerabilities in TTChat
The vulnerability exists due to input sanitation error in the "msg" parameter in default.php and in the "username" parameter in chat_form.php. A remote attacker can send a specially crafted HTTP request to the vulnerable script and execute arbitrary HTML and script code in user`s browser in context of the vulnerable website.
Exploitation examples:
http://[host]/default.php?msg=%3Cscript%3Ealert%28document.cookie%29;%3C/scr ipt%3E
http://[host]/chat_form.php?username=%22%3E%3Cscript%3Ealert%28docum ent.cookie%29;%3C/script%3E

How to Detect Cross-Site Scripting Vulnerabilities
Website Security Test
  • GDPR & PCI DSS Test
  • Website CMS Security Test
  • CSP & HTTP Headers Check
  • WordPress & Drupal Scanning
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Solution:
Currently we are not aware of any vendor-supplied patches or other solutions. The vendor was contacted in accordance to our Vendor Notification Policy but we didn't get any answer or feedback.


References:
[1] High-Tech Bridge Advisory HTB22996 - https://www.immuniweb.com/advisory/HTB22996 - Cross-site Scripting (XSS) Vulnerabilities in TTChat
[2] TTChat - ttfreeware.com - TTChat is an online chat system.
[3] Common Weakness Enumeration (CWE) - http://cwe.mitre.org - targeted to developers and security practitioners, CWE is a formal list of software weakness types.

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