{"id":"CVE-2026-15284","aliases":["EUVD-2026-42793","GHSA-h683-9pfq-8v3c"],"status":"published","title":"King Addons for Elementor \u003c= 51.1.62 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'form_page_id' Parameter","description":"The King Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form_page_id' parameter in versions up to, and including, 51.1.62 This is due to insufficient input sanitization in the add_to_submissions() function, which applies sanitize_text_field() (which preserves double-quote characters) before storing the value in post meta, combined with missing output escaping in the king_addons_submissions_custom_column_content() function, which concatenates the stored value into an HTML href attribute via admin_url() without wrapping the result in esc_url(). 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":"2026-11-11","score":0.00419,"percentile":0.36638,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-07-10T04:31:21Z","modified":"2026-07-10T21:16:53Z","products":[{"vendor":"kingaddons","product":"king addons for elementor – 80+ elementor widgets, 4 000+ elementor templates, woocommerce, mega menu, popup builder"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/349ba9de-69b3-42fb-aeba-c3a24280547f?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.62/includes/widgets/Form_Builder/helpers/View_Submissions_Pro.php#L305"},{"url":"https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.62/includes/widgets/Form_Builder/helpers/Create_Submission.php#L68"},{"url":"https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.62/includes/widgets/Form_Builder/helpers/Upload_Email_File.php#L261"},{"url":"https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.61/includes/widgets/Form_Builder/helpers/View_Submissions_Pro.php#L305"},{"url":"https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.61/includes/widgets/Form_Builder/helpers/Create_Submission.php#L68"},{"url":"https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.61/includes/widgets/Form_Builder/helpers/Upload_Email_File.php#L261"},{"url":"https://plugins.trac.wordpress.org/changeset?old_path=%2Fking-addons/tags/51.1.62\u0026new_path=%2Fking-addons/tags/51.1.63"},{"url":"https://plugins.trac.wordpress.org/changeset/3537725/king-addons/tags/51.1.63/includes/widgets/Form_Builder/helpers/Create_Submission.php?old=3515422\u0026old_path=king-addons%2Ftags%2F51.1.62%2Fincludes%2Fwidgets%2FForm_Builder%2Fhelpers%2FCreate_Submission.php"},{"url":"https://plugins.trac.wordpress.org/changeset/3537725/king-addons/tags/51.1.63/includes/widgets/Form_Builder/helpers/View_Submissions_Pro.php?old=3515422\u0026old_path=king-addons%2Ftags%2F51.1.62%2Fincludes%2Fwidgets%2FForm_Builder%2Fhelpers%2FView_Submissions_Pro.php"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15284"},{"url":"https://github.com/advisories/GHSA-h683-9pfq-8v3c"}],"sources":{"cve":[{"id":"CVE-2026-15284","title":"King Addons for Elementor \u003c= 51.1.62 - Authenticated (Subscriber+) Stored Cross-Site Scripting via 'form_page_id' Parameter","description":"The King Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form_page_id' parameter in versions up to, and including, 51.1.62 This is due to insufficient input sanitization in the add_to_submissions() function, which applies sanitize_text_field() (which preserves double-quote characters) before storing the value in post meta, combined with missing output escaping in the king_addons_submissions_custom_column_content() function, which concatenates the stored value into an HTML href attribute via admin_url() without wrapping the result in esc_url(). 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":"2026-07-10T04:31:21.383Z","modified":"2026-07-10T20:31:09.07Z","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":"2026-11-02T13:47:51.033687Z"}],"euvd":[{"id":"EUVD-2026-42793","description":"The King Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form_page_id' parameter in versions up to, and including, 51.1.62 This is due to insufficient input sanitization in the add_to_submissions() function, which applies sanitize_text_field() (which preserves double-quote characters) before storing the value in post meta, combined with missing output escaping in the king_addons_submissions_custom_column_content() function, which concatenates the stored value into an HTML href attribute via admin_url() without wrapping the result in esc_url(). 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":"2026-07-10T04:31:21Z","modified":"2026-07-10T20:31:09Z","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":"2026-11-02T18:20:02.308684Z"}],"ghsa":[{"id":"GHSA-h683-9pfq-8v3c","title":"The King Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting...","description":"The King Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form_page_id' parameter in versions up to, and including, 51.1.62 This is due to insufficient input sanitization in the add_to_submissions() function, which applies sanitize_text_field() (which preserves double-quote characters) before storing the value in post meta, combined with missing output escaping in the king_addons_submissions_custom_column_content() function, which concatenates the stored value into an HTML href attribute via admin_url() without wrapping the result in esc_url(). 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":"2026-07-10T06:31:20Z","modified":"2026-07-10T06:31:28Z","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":"2026-11-02T15:09:22.722529Z"}],"nvd":[{"id":"CVE-2026-15284","description":"The King Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form_page_id' parameter in versions up to, and including, 51.1.62 This is due to insufficient input sanitization in the add_to_submissions() function, which applies sanitize_text_field() (which preserves double-quote characters) before storing the value in post meta, combined with missing output escaping in the king_addons_submissions_custom_column_content() function, which concatenates the stored value into an HTML href attribute via admin_url() without wrapping the result in esc_url(). 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":"2026-07-10T05:16:31.067Z","modified":"2026-07-10T21:16:53.823Z","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":"2026-11-02T14:12:28.4135Z"}]}}