{"id":"CVE-2026-17571","aliases":["EUVD-2026-51790","GHSA-pqrj-crjh-4764"],"status":"published","title":"Fluent Forms \u003c= 6.2.8 - Reflected Cross-Site Scripting via 'param'","description":"The Fluent Forms – Customizable Contact Forms, Survey, Quiz, \u0026 Conversational Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'param' in all versions up to, and including, 6.2.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00368,"percentile":0.30938,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-01T08:32:27Z","modified":"2026-08-12T21:00:37Z","products":[{"vendor":"techjewel","product":"fluent forms – customizable contact forms, survey, quiz, \u0026 conversational form builder"},{"vendor":"wpmanageninja","product":"fluent forms – customizable contact forms, survey, quiz, \u0026 conversational form builder"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/547008fe-2585-4089-a710-71a83ae3d829?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.8/app/Modules/Component/Component.php#L1456"},{"url":"https://plugins.trac.wordpress.org/browser/fluentform/tags/6.2.8/app/Modules/Component/Component.php#L1452"},{"url":"https://plugins.trac.wordpress.org/changeset?old_path=%2Ffluentform/tags/6.2.8\u0026new_path=%2Ffluentform/tags/6.2.9"},{"url":"https://plugins.trac.wordpress.org/changeset/3625751/fluentform/trunk/app/Modules/Component/Component.php"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17571"},{"url":"https://github.com/advisories/GHSA-pqrj-crjh-4764"}],"sources":{"cve":[{"id":"CVE-2026-17571","title":"Fluent Forms \u003c= 6.2.8 - Reflected Cross-Site Scripting via 'param'","description":"The Fluent Forms – Customizable Contact Forms, Survey, Quiz, \u0026 Conversational Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'param' in all versions up to, and including, 6.2.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","status":"published","published":"2026-08-01T08:32:27.506Z","modified":"2026-08-03T19:02:11.226Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:19:55.176387Z"}],"euvd":[{"id":"EUVD-2026-51790","description":"The Fluent Forms – Customizable Contact Forms, Survey, Quiz, \u0026 Conversational Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'param' in all versions up to, and including, 6.2.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","status":"published","published":"2026-08-01T08:32:27Z","modified":"2026-08-03T19:02:11Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:23.68186Z"}],"ghsa":[{"id":"GHSA-pqrj-crjh-4764","title":"The Fluent Forms – Customizable Contact Forms, Survey, Quiz, \u0026 Conversational Form Builder plugin...","description":"The Fluent Forms – Customizable Contact Forms, Survey, Quiz, \u0026 Conversational Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'param' in all versions up to, and including, 6.2.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","status":"published","published":"2026-08-01T09:30:25Z","modified":"2026-08-01T09:30:37Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:10:01.548476Z"}],"nvd":[{"id":"CVE-2026-17571","description":"The Fluent Forms – Customizable Contact Forms, Survey, Quiz, \u0026 Conversational Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'param' in all versions up to, and including, 6.2.8 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","status":"published","published":"2026-08-01T09:17:01.54Z","modified":"2026-08-12T21:00:37.147Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:34.290716Z"}]}}