CVE-2011-3771: GNU Phpbook

Medium severity, CVSS 5.0. EPSS: 1.2% chance of exploitation in the next 30 days.

phpBook 2.1.0 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by doc/update_smilies_1.50-1.60.php and certain other files.

Affected products

• GNU Phpbook: version 2.1.0 only

Published 2011-09-24. Last modified 2026-06-16.