{"id":"CVE-2026-1559","aliases":["EUVD-2026-23622","GHSA-5v87-p3g9-j392"],"status":"published","title":"Youzify \u003c= 1.3.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'checkin_place_id' Parameter","description":"The Youzify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'checkin_place_id' parameter in all versions up to, and including, 1.3.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-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":"2026-11-10","score":0.00195,"percentile":0.09299,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-04-18T01:26:05Z","modified":"2026-06-17T10:16:04Z","products":[{"vendor":"youzify","product":"youzify – buddypress community, user profile, social network \u0026 membership plugin for wordpress"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/6bd69711-8303-4086-87c3-eb2935a89aff?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/youzify/trunk/includes/public/core/wall/class-youzify-form.php#L506"},{"url":"https://plugins.trac.wordpress.org/browser/youzify/tags/1.3.6/includes/public/core/wall/class-youzify-form.php#L506"},{"url":"https://plugins.trac.wordpress.org/browser/youzify/trunk/includes/public/core/class-youzify-wall.php#L109"},{"url":"https://plugins.trac.wordpress.org/browser/youzify/tags/1.3.6/includes/public/core/class-youzify-wall.php#L109"},{"url":"https://plugins.trac.wordpress.org/changeset/3483281/youzify/trunk/includes/public/core/wall/class-youzify-form.php"},{"url":"https://plugins.trac.wordpress.org/changeset?old_path=%2Fyouzify/tags/1.3.6\u0026new_path=%2Fyouzify/tags/1.3.7"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-1559"},{"url":"https://github.com/advisories/GHSA-5v87-p3g9-j392"}],"sources":{"cve":[{"id":"CVE-2026-1559","title":"Youzify \u003c= 1.3.6 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'checkin_place_id' Parameter","description":"The Youzify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'checkin_place_id' parameter in all versions up to, and including, 1.3.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-04-18T01:26:05.21Z","modified":"2026-04-20T13:46:08.353Z","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-2026-23622","description":"The Youzify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'checkin_place_id' parameter in all versions up to, and including, 1.3.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-04-18T01:26:05Z","modified":"2026-04-20T13:46:08Z","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":"2026-11-02T19:24:22.924744Z"}],"ghsa":[{"id":"GHSA-5v87-p3g9-j392","title":"The Youzify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ...","description":"The Youzify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'checkin_place_id' parameter in all versions up to, and including, 1.3.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-04-18T03:31:06Z","modified":"2026-04-18T03:31:11Z","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":"2026-11-02T15:07:32.404178Z"}],"nvd":[{"id":"CVE-2026-1559","description":"The Youzify plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'checkin_place_id' parameter in all versions up to, and including, 1.3.6 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.","status":"published","published":"2026-04-18T02:16:11.187Z","modified":"2026-06-17T10:16:04.327Z","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":"2026-11-02T14:12:15.120927Z"}]}}