CVE-2006-1644: Interact

Medium severity, CVSS 5.0. EPSS: 1.4% chance of exploitation in the next 30 days.

login.php in Interact 2.1.1 generates different responses depending on whether or not a username is valid, which allows remote attackers to determine valid usernames. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

Affected products

• Interact Interact: up to and including 2.1.1; version 1.8.7 only; version 1.9 only; version 1.9.1 only; version 2.0 only; version 2.1 only

Published 2006-04-06. Last modified 2026-06-16.