CVE-2001-0844: Seth Leonard Book Of Guests

High severity, CVSS 7.5. EPSS: 3.6% chance of exploitation in the next 30 days.

Vulnerability in (1) Book of guests and (2) Post it! allows remote attackers to execute arbitrary code via shell metacharacters in the email parameter.

Affected products

• Seth Leonard Book Of Guests: any version
• Seth Leonard Post It: any version

Published 2001-12-06. Last modified 2026-06-16.