{"id":"CVE-2026-6828","state":"PUBLISHED","title":"Fluent Forms <= 6.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'permission_message' Shortcode Attribute","description":"The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'permission_message' parameter in all versions up to, and including, 6.2.1 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.","publishedAt":"2026-05-13T04:26:41.038Z","updatedAt":"2026-05-13T10:21:55.498Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","source":"Wordfence"},"assigner":"Wordfence","products":["techjewel Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder"],"affected":[{"vendor":"techjewel","product":"Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"6.2.1","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/ce2d2594-e856-4249-9467-01c0fe1c0c71?source=cve","https://plugins.trac.wordpress.org/browser/fluentform/trunk/app/Modules/Component/Component.php#L513","https://plugins.trac.wordpress.org/browser/fluentform/tags/6.1.20/app/Modules/Component/Component.php#L513","https://plugins.trac.wordpress.org/browser/fluentform/trunk/app/Modules/Component/Component.php#L467","https://plugins.trac.wordpress.org/browser/fluentform/tags/6.1.20/app/Modules/Component/Component.php#L467","https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3513845%40fluentform&new=3513845%40fluentform&sfp_email=&sfph_mail="],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/6xxx/CVE-2026-6828.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6828","state":"PUBLISHED","datePublished":"2026-05-13T04:26:41.038Z","dateUpdated":"2026-05-13T10:21:55.498Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-04-21T20:57:55.395Z"},"containers":{"cna":{"title":"Fluent Forms <= 6.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'permission_message' Shortcode Attribute","descriptions":[{"lang":"en","value":"The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'permission_message' parameter in all versions up to, and including, 6.2.1 due to insufficient input sanitization and output escaping. 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