CVE-2006-6142: Squirrelmail

Medium severity, CVSS 6.8. EPSS: 2.4% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in SquirrelMail 1.4.0 through 1.4.9 allow remote attackers to inject arbitrary web script or HTML via the (1) mailto parameter in (a) webmail.php, the (2) session and (3) delete_draft parameters in (b) compose.php, and (4) unspecified vectors involving "a shortcoming in the magicHTML filter."

Affected products

• Squirrelmail Squirrelmail: version 1.4 only; version 1.4.1 only; version 1.4.2 only; version 1.4.3 only; version 1.4.3_r3 only; version 1.4.3_rc1 only; …

Published 2006-12-05. Last modified 2026-06-16.