CVE-2023-28447

Description

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.

How to fix CVE-2023-28447

To remediate CVE-2023-28447, upgrade the affected package to a fixed version below.

• —upgrade to 3.1.39-2+deb11u2 or later
• —upgrade to 3.1.47-2+deb12u1 or later
• —upgrade to 4.3.0-1+deb12u1 or later
• —upgrade to 4.3.1 or later

Is CVE-2023-28447 being exploited?

Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.

Affected packages (4)

• from 0, < 3.1.39-2+deb11u2
• from 0, < 3.1.47-2+deb12u1
• from 0, < 4.3.0-1+deb12u1
• >= 4.0.0, < 4.3.1

CVSS scores

References (10)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2023-28447
• ADVISORYsecurity-tracker.debian.org/tracker/CVE-2023-28447
• PATCHgithub.com/smarty-php/smarty
• WEBgithub.com/FriendsOfPHP/security-advisories/blob/master/smarty/smarty/CVE-2023-28447.yaml