CVE-2005-4880: Jax Scripts Jax Guestbook

Medium severity, CVSS 5.0. EPSS: 2.4% chance of exploitation in the next 30 days.

Jax Guestbook 3.1 and 3.31 stores sensitive information under the web root with insufficient access control, which allows remote attackers to obtain IP addresses of users via a direct request to (1) guestbook, (2) guestbook_ips2block, (3) ips2block, and (4) formmailer/logfile.csv.

Affected products

• Jax Scripts Jax Guestbook: version 3.1 only; version 3.3.1 only

Published 2009-03-31. Last modified 2026-06-16.