CVE-2026-2383: MRA13 Simple Download Monitor

Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

• MRA13 Simple Download Monitor: up to and including 4.0.5

Published 2026-02-27. Last modified 2026-06-17.