CVE-2023-4136: Craftercms

Medium severity, CVSS 6.1. EPSS: 1.4% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CrafterCMS Engine on Windows, MacOS, Linux, x86, ARM, 64 bit allows Reflected XSS.This issue affects CrafterCMS: from 4.0.0 through 4.0.2, from 3.1.0 through 3.1.27.

Affected products

• Craftercms Craftercms: from 3.1.0, up to and including 3.1.27; from 4.0.0, up to and including 4.0.2

Published 2023-08-03. Last modified 2026-06-17.