{"id":"CVE-2026-4365","aliases":["EUVD-2026-22197","GHSA-fcmf-hc7m-63gh"],"status":"published","title":"LearnPress \u003c= 4.3.2.8 - Missing Authorization to Unauthenticated Arbitrary Quiz Answer Deletion","description":"The LearnPress plugin for WordPress is vulnerable to unauthorized data deletion due to a missing capability check on the `delete_question_answer()` function in all versions up to, and including, 4.3.2.8. The plugin exposes a `wp_rest` nonce in public frontend HTML (`lpData`) to unauthenticated visitors, and uses that nonce as the only security gate for the `lp-load-ajax` AJAX dispatcher. The `delete_question_answer` action has no capability or ownership check. This makes it possible for unauthenticated attackers to delete any quiz answer option by sending a crafted POST request with a publicly available nonce.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00867,"percentile":0.59029,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-862"],"published":"2026-04-14T01:24:59Z","modified":"2026-06-17T10:56:28Z","products":[{"vendor":"thimpress","product":"learnpress – wordpress lms plugin for create and sell online courses"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/021bd566-1663-46ba-a616-ab554b691cbb?source=cve"},{"url":"https://plugins.trac.wordpress.org/browser/learnpress/trunk/inc/Ajax/EditQuestionAjax.php#L285"},{"url":"https://plugins.trac.wordpress.org/browser/learnpress/trunk/inc/Ajax/AbstractAjax.php#L33"},{"url":"https://plugins.trac.wordpress.org/browser/learnpress/trunk/inc/class-lp-assets.php#L177"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-4365"},{"url":"https://github.com/advisories/GHSA-fcmf-hc7m-63gh"}],"sources":{"cve":[{"id":"CVE-2026-4365","title":"LearnPress \u003c= 4.3.2.8 - Missing Authorization to Unauthenticated Arbitrary Quiz Answer Deletion","description":"The LearnPress plugin for WordPress is vulnerable to unauthorized data deletion due to a missing capability check on the `delete_question_answer()` function in all versions up to, and including, 4.3.2.8. The plugin exposes a `wp_rest` nonce in public frontend HTML (`lpData`) to unauthenticated visitors, and uses that nonce as the only security gate for the `lp-load-ajax` AJAX dispatcher. The `delete_question_answer` action has no capability or ownership check. This makes it possible for unauthenticated attackers to delete any quiz answer option by sending a crafted POST request with a publicly available nonce.","status":"published","published":"2026-04-14T01:24:59.735Z","modified":"2026-04-14T13:48:54.581Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:19:58.944663Z"}],"euvd":[{"id":"EUVD-2026-22197","description":"The LearnPress plugin for WordPress is vulnerable to unauthorized data deletion due to a missing capability check on the `delete_question_answer()` function in all versions up to, and including, 4.3.2.8. The plugin exposes a `wp_rest` nonce in public frontend HTML (`lpData`) to unauthenticated visitors, and uses that nonce as the only security gate for the `lp-load-ajax` AJAX dispatcher. The `delete_question_answer` action has no capability or ownership check. This makes it possible for unauthenticated attackers to delete any quiz answer option by sending a crafted POST request with a publicly available nonce.","status":"published","published":"2026-04-14T01:24:59Z","modified":"2026-04-14T13:48:54Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:24:26.535553Z"}],"ghsa":[{"id":"GHSA-fcmf-hc7m-63gh","title":"The LearnPress plugin for WordPress is vulnerable to unauthorized data deletion due to a missing...","description":"The LearnPress plugin for WordPress is vulnerable to unauthorized data deletion due to a missing capability check on the `delete_question_answer()` function in all versions up to, and including, 4.3.2.8. The plugin exposes a `wp_rest` nonce in public frontend HTML (`lpData`) to unauthenticated visitors, and uses that nonce as the only security gate for the `lp-load-ajax` AJAX dispatcher. The `delete_question_answer` action has no capability or ownership check. This makes it possible for unauthenticated attackers to delete any quiz answer option by sending a crafted POST request with a publicly available nonce.","status":"published","published":"2026-04-14T03:31:40Z","modified":"2026-04-14T03:31:46Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T15:07:28.42851Z"}],"nvd":[{"id":"CVE-2026-4365","description":"The LearnPress plugin for WordPress is vulnerable to unauthorized data deletion due to a missing capability check on the `delete_question_answer()` function in all versions up to, and including, 4.3.2.8. The plugin exposes a `wp_rest` nonce in public frontend HTML (`lpData`) to unauthenticated visitors, and uses that nonce as the only security gate for the `lp-load-ajax` AJAX dispatcher. The `delete_question_answer` action has no capability or ownership check. This makes it possible for unauthenticated attackers to delete any quiz answer option by sending a crafted POST request with a publicly available nonce.","status":"published","published":"2026-04-14T02:16:05.767Z","modified":"2026-06-17T10:56:28.9Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-862"],"updated_at":"2026-11-02T14:12:14.37744Z"}]}}