{"id":"CVE-2026-1821","aliases":["EUVD-2026-5950","GHSA-c224-wx4m-6qf6"],"status":"published","title":"Microtango \u003c= 0.9.29 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","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.","severity":{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00276,"percentile":0.20226,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-02-11T08:26:24Z","modified":"2026-06-17T10:16:34Z","products":[{"vendor":"microtango","product":"microtango"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/27657d29-e834-4f05-8fe9-7db0ab96f67d?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/microtango/trunk/microtango-init.php#L129"},{"url":"https://plugins.trac.wordpress.org/browser/microtango/tags/0.9.29/microtango-init.php#L129"},{"url":"https://plugins.trac.wordpress.org/changeset/3455880/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1821"},{"url":"https://plugins.trac.wordpress.org/changeset/3455880"},{"url":"https://github.com/advisories/GHSA-c224-wx4m-6qf6"}],"sources":{"cve":[{"id":"CVE-2026-1821","title":"Microtango \u003c= 0.9.29 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes","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.","status":"published","published":"2026-02-11T08:26:24.503Z","modified":"2026-04-08T16:42:54.681Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:00.879257Z"}],"euvd":[{"id":"EUVD-2026-5950","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.","status":"published","published":"2026-02-11T08:26:24Z","modified":"2026-04-08T16:42:54Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:25:05.655339Z"}],"ghsa":[{"id":"GHSA-c224-wx4m-6qf6","title":"The Microtango plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'restkey...","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.","status":"published","published":"2026-02-11T09:30:18Z","modified":"2026-04-08T18:35:55Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:07:18.583007Z"}],"nvd":[{"id":"CVE-2026-1821","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.","status":"published","published":"2026-02-11T09:15:52.213Z","modified":"2026-06-17T10:16:34.183Z","cvss":[{"version":"3.1","score":6.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:05.908608Z"}]}}