CVE-2023-28447: Fedoraproject Fedora

Medium severity, CVSS 6.1. EPSS: 1% chance of exploitation in the next 30 days.

Smarty is a template engine for PHP. In affected versions smarty did not properly escape javascript code. An attacker could exploit this vulnerability to execute arbitrary JavaScript code in the context of the user's browser session. This may lead to unauthorized access to sensitive user data, manipulation of the web application's behavior, or unauthorized actions performed on behalf of the user. Users are advised to upgrade to either version 3.1.48 or to 4.3.1 to resolve this issue. There are no known workarounds for this vulnerability.

Affected products

• Fedoraproject Fedora: version 36 only; version 37 only; version 38 only
• Smarty Smarty: before 3.1.48 (fixed in 3.1.48); from 4.0.0, before 4.3.1 (fixed in 4.3.1)

Published 2023-03-28. Last modified 2026-06-17.