CVE-2011-3816: Webinsta Mailing List Manager

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

WEBinsta mailing list manager 1.3e 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 install/install3.php and certain other files.

Affected products

• Webinsta Mailing List Manager: version 1.3e only

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