CVE-2002-0457: Bg Guestbook

High severity, CVSS 7.6. EPSS: 2.1% chance of exploitation in the next 30 days.

Cross-site scripting vulnerability in signgbook.php for BG GuestBook 1.0 allows remote attackers to execute arbitrary Javascript via encoded tags such as <, >, and & in fields such as (1) name, (2) email, (3) AIM screen name, (4) website, (5) location, or (6) message.

Affected products

• Bg Guestbook Bg Guestbook: version 1.0 only

Published 2002-08-12. Last modified 2026-06-16.