CVE-2008-4103: Joomla! Com Mailto

Medium severity, CVSS 5.0. EPSS: 1.5% chance of exploitation in the next 30 days.

The mailto (aka com_mailto) component in Joomla! 1.5 before 1.5.7 sends e-mail messages without validating the URL, which allows remote attackers to transmit spam.

Affected products

• Joomla! Com Mailto: any version

Published 2008-09-18. Last modified 2026-06-16.