{"id":"CVE-2026-16974","aliases":["EUVD-2026-55934","GHSA-g4jx-9qx8-f3f9"],"status":"published","title":"Kirki - Freeform Page Builder, Website Builder \u0026 Customizer \u003c= 6.2.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via post_meta Shortcode","description":"The Kirki – Freeform Page Builder, Website Builder \u0026 Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post_meta Shortcode in all versions up to, and including, 6.2.0 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":"2026-11-10","score":0.00261,"percentile":0.17959,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-11T04:25:50Z","modified":"2026-08-12T21:00:52Z","products":[{"vendor":"themeum","product":"kirki – freeform page builder, website builder \u0026 customizer"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/8d9fe6b4-8696-45eb-bdb8-764dea7cce88?source=cve"},{"url":"https://plugins.trac.wordpress.org/changeset/3636487"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16974"},{"url":"https://github.com/advisories/GHSA-g4jx-9qx8-f3f9"}],"sources":{"cve":[{"id":"CVE-2026-16974","title":"Kirki - Freeform Page Builder, Website Builder \u0026 Customizer \u003c= 6.2.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via post_meta Shortcode","description":"The Kirki – Freeform Page Builder, Website Builder \u0026 Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post_meta Shortcode in all versions up to, and including, 6.2.0 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":"2026-08-11T04:25:50.325Z","modified":"2026-08-11T17:07:21.766Z","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":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-55934","description":"The Kirki – Freeform Page Builder, Website Builder \u0026 Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post_meta Shortcode in all versions up to, and including, 6.2.0 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":"2026-08-11T04:25:50Z","modified":"2026-08-11T17:07:21Z","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":"2026-11-02T18:01:59.926728Z"}],"ghsa":[{"id":"GHSA-g4jx-9qx8-f3f9","title":"The Kirki – Freeform Page Builder, Website Builder \u0026 Customizer plugin for WordPress is...","description":"The Kirki – Freeform Page Builder, Website Builder \u0026 Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post_meta Shortcode in all versions up to, and including, 6.2.0 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":"2026-08-11T06:31:19Z","modified":"2026-08-11T06:31:25Z","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":"2026-11-02T15:10:17.025827Z"}],"nvd":[{"id":"CVE-2026-16974","description":"The Kirki – Freeform Page Builder, Website Builder \u0026 Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the post_meta Shortcode in all versions up to, and including, 6.2.0 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":"2026-08-11T05:17:12.56Z","modified":"2026-08-12T21:00:52.257Z","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":"2026-11-02T14:12:36.102748Z"}]}}