CVE-2012-4437: Smarty

Medium severity, CVSS 4.3. EPSS: 2.5% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in the SmartyException class in Smarty (aka smarty-php) before 3.1.12 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors that trigger a Smarty exception.

Affected products

• Smarty Smarty: version 1.0 only; version 1.0a only; version 1.0b only; version 1.1.0 only; version 1.2.0 only; version 1.2.1 only; …

Published 2012-10-01. Last modified 2026-06-16.