CVE-2006-2231: Big Webmaster Guestbook Script

Medium severity, CVSS 4.3. EPSS: 1.3% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in addguest.cgi in Big Webmaster Guestbook Script 1.02 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) mail, (2) site, (3) city, (4) state, (5) country, and possibly (6) name fields, which are viewed via viewguest.cgi.

Affected products

• Big Webmaster Big Webmaster Guestbook Script: up to and including 1.02

Published 2006-05-05. Last modified 2026-06-16.