{"id":"CVE-2026-4661","aliases":["EUVD-2026-43157","GHSA-w7rc-p2m9-r4pm"],"status":"published","title":"WP CTA \u003c= 2.2.2 - Unauthenticated Time-Based Blind SQL Injection via 'fildname' Parameter","description":"The WP CTA – Sticky CTA Builder, Generate Leads, Promote Sales plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'fildname' parameter in all versions up to, and including, 2.2.2. This is due to insufficient escaping of user-supplied column names in the ajaxCheck() method and lack of preparation in the $wpdb-\u003eupdate() call. The vulnerability is compounded by the complete absence of authorization checks and the endpoint being registered for unauthenticated users via wp_ajax_nopriv_. This makes it possible for unauthenticated attackers to inject arbitrary SQL queries and extract sensitive information from the database via time-based blind SQL injection techniques, including administrator password hashes.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00505,"percentile":0.43489,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-89"],"published":"2026-07-11T05:35:48Z","modified":"2026-07-13T16:59:13Z","products":[{"vendor":"blendmedia","product":"wp cta – call now button, sticky button \u0026 call to action builder"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/7e963601-dc41-4218-9119-708c74e51bc2?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/easy-sticky-sidebar/tags/1.7.4/inc/ClassActions.php#L193"},{"url":"https://plugins.trac.wordpress.org/browser/easy-sticky-sidebar/tags/1.7.4/inc/ClassActions.php#L186"},{"url":"https://plugins.trac.wordpress.org/browser/easy-sticky-sidebar/tags/1.7.4/inc/ClassActions.php#L17"},{"url":"https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3524743%40easy-sticky-sidebar\u0026new=3524743%40easy-sticky-sidebar"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4661"},{"url":"https://github.com/advisories/GHSA-w7rc-p2m9-r4pm"}],"sources":{"cve":[{"id":"CVE-2026-4661","title":"WP CTA \u003c= 2.2.2 - Unauthenticated Time-Based Blind SQL Injection via 'fildname' Parameter","description":"The WP CTA – Sticky CTA Builder, Generate Leads, Promote Sales plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'fildname' parameter in all versions up to, and including, 2.2.2. This is due to insufficient escaping of user-supplied column names in the ajaxCheck() method and lack of preparation in the $wpdb-\u003eupdate() call. The vulnerability is compounded by the complete absence of authorization checks and the endpoint being registered for unauthenticated users via wp_ajax_nopriv_. This makes it possible for unauthenticated attackers to inject arbitrary SQL queries and extract sensitive information from the database via time-based blind SQL injection techniques, including administrator password hashes.","status":"published","published":"2026-07-11T05:35:48.631Z","modified":"2026-07-13T14:29:23.768Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:19:58.944663Z"}],"euvd":[{"id":"EUVD-2026-43157","description":"The WP CTA – Sticky CTA Builder, Generate Leads, Promote Sales plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'fildname' parameter in all versions up to, and including, 2.2.2. This is due to insufficient escaping of user-supplied column names in the ajaxCheck() method and lack of preparation in the $wpdb-\u003eupdate() call. The vulnerability is compounded by the complete absence of authorization checks and the endpoint being registered for unauthenticated users via wp_ajax_nopriv_. This makes it possible for unauthenticated attackers to inject arbitrary SQL queries and extract sensitive information from the database via time-based blind SQL injection techniques, including administrator password hashes.","status":"published","published":"2026-07-11T05:35:48Z","modified":"2026-07-13T14:29:23Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T18:20:01.93893Z"}],"ghsa":[{"id":"GHSA-w7rc-p2m9-r4pm","title":"The WP CTA – Sticky CTA Builder, Generate Leads, Promote Sales plugin for WordPress is vulnerable...","description":"The WP CTA – Sticky CTA Builder, Generate Leads, Promote Sales plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'fildname' parameter in all versions up to, and including, 2.2.2. This is due to insufficient escaping of user-supplied column names in the ajaxCheck() method and lack of preparation in the $wpdb-\u003eupdate() call. The vulnerability is compounded by the complete absence of authorization checks and the endpoint being registered for unauthenticated users via wp_ajax_nopriv_. This makes it possible for unauthenticated attackers to inject arbitrary SQL queries and extract sensitive information from the database via time-based blind SQL injection techniques, including administrator password hashes.","status":"published","published":"2026-07-11T09:34:18Z","modified":"2026-07-11T09:34:25Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T15:09:24.04976Z"}],"nvd":[{"id":"CVE-2026-4661","description":"The WP CTA – Sticky CTA Builder, Generate Leads, Promote Sales plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'fildname' parameter in all versions up to, and including, 2.2.2. This is due to insufficient escaping of user-supplied column names in the ajaxCheck() method and lack of preparation in the $wpdb-\u003eupdate() call. The vulnerability is compounded by the complete absence of authorization checks and the endpoint being registered for unauthenticated users via wp_ajax_nopriv_. This makes it possible for unauthenticated attackers to inject arbitrary SQL queries and extract sensitive information from the database via time-based blind SQL injection techniques, including administrator password hashes.","status":"published","published":"2026-07-11T07:16:46.513Z","modified":"2026-07-13T16:59:13.647Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:12:28.771746Z"}]}}