Microtango, CVE-2026-1821

CVE, Research URL: CVE-2026-1821
Home page URL: Security reports for Microtango
Application: Microtango
Published on: Feb 11, 2026
Research Description: The Microtango plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'restkey' parameter of the mt_reservation shortcode in all versions up to, and including, 0.9.29 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 versions: max 0.9.30.
Status: vulnerable