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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Jax_guestbook | Jax_scripts | 3.1 (including) | 3.1 (including) |
| Jax_guestbook | Jax_scripts | 3.3.1 (including) | 3.3.1 (including) |