TSguestbook Message Field HTML Injection Vulnerability

BID:8520

Info

TSguestbook Message Field HTML Injection Vulnerability

Bugtraq ID: 8520
Class: Input Validation Error
CVE:
Remote: Yes
Local: No
Published: Sep 01 2003 12:00AM
Updated: Sep 01 2003 12:00AM
Credit: The discovery of this vulnerability has been credited to Trash-80 - [email protected].
Vulnerable: TSguestbook TSguestbook 2.1
Not Vulnerable:

Discussion

TSguestbook Message Field HTML Injection Vulnerability

It has been reported that TSguestbook may be prone to HTML injection attacks. The problem is said to occur due to insufficient sanitization of user-supplied input within the 'message' field. As a result, an attacker may post a guestbook entry including malicious HTML or script code within the said field. This could result in the execution of arbitrary code within the browser of an unsuspecting guestbook user.

Exploit / POC

TSguestbook Message Field HTML Injection Vulnerability

No exploit is required. The following proof of concept guestbook entry has been provided to demonstrate exploitation.

Name: Zone-h Security Team

Email: [email protected]

ICQ: 11111111

Homepage: http://www.zone-h.org

Message:<script>alert('Zone-H')</script>

Solution / Fix

TSguestbook Message Field HTML Injection Vulnerability

Solution:
Currently we are not aware of any vendor-supplied patches for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.

References

TSguestbook Message Field HTML Injection Vulnerability

References:

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