{"id":"CVE-2026-1575","aliases":["EUVD-2026-14169","GHSA-c6fv-mp3f-p6j3"],"status":"published","title":"Schema Shortcode \u003c= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode","description":"The Schema Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `itemscope` shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-11-11","score":0.00166,"percentile":0.05887,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-03-21T03:27:00Z","modified":"2026-06-17T10:16:05Z","products":[{"vendor":"jeric_izon","product":"schema shortcode"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/b8c89d80-0ae5-4849-b739-0881fec188bf?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/schema-shortcode/trunk/schema-shortcode.php#L41"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1575"},{"url":"https://github.com/advisories/GHSA-c6fv-mp3f-p6j3"}],"sources":{"cve":[{"id":"CVE-2026-1575","title":"Schema Shortcode \u003c= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode","description":"The Schema Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `itemscope` shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-03-21T03:27:00.789Z","modified":"2026-04-08T17:17:50.872Z","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":"2026-11-02T14:20:01.271368Z"}],"euvd":[{"id":"EUVD-2026-14169","description":"The Schema Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `itemscope` shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-03-21T03:27:00Z","modified":"2026-04-08T17:17:50Z","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":"2026-11-02T19:24:43.291865Z"}],"ghsa":[{"id":"GHSA-c6fv-mp3f-p6j3","title":"The Schema Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the...","description":"The Schema Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `itemscope` shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-03-21T06:30:23Z","modified":"2026-03-21T06:30:31Z","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":"2026-11-02T15:06:45.356317Z"}],"nvd":[{"id":"CVE-2026-1575","description":"The Schema Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `itemscope` shortcode in all versions up to, and including, 1.0 due to insufficient input sanitization and output escaping on user supplied attributes. 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":"2026-03-21T04:16:53.937Z","modified":"2026-06-17T10:16:05.81Z","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":"2026-11-02T14:12:10.126802Z"}]}}