关键信息 Vulnerability Type: Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) CVE: CVE-2026-2383 CVSS Score: 6.4 (Medium) Publicly Published: February 26, 2026 Last Updated: February 27, 2026 Researcher: Muhammad Yudha - DJ Patched Version: 4.0.6 Description The Simple Download Monitor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom field in all versions up to, and including, 4.0.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. References plugins.trac.wordpress.org plugins.trac.wordpress.org plugins.trac.wordpress.org Remediation Update to version 4.0.6, or a newer patched version.