{"id":"CVE-2023-4213","aliases":["EUVD-2023-54087","GHSA-9f9f-hrxg-722w"],"status":"published","title":"Simplr Registration Form Plus+ \u003c= 2.4.5 - Authenticated (Subscriber+) Insecure Direct Object Reference to Arbitrary User Password Change","description":"The Simplr Registration Form Plus+ plugin for WordPress is vulnerable to Insecure Direct Object References in versions up to, and including, 2.4.5. This is due to the plugin providing user-controlled access to objects, letting a user bypass authorization and access system resources. This makes it possible for authenticated attackers with subscriber-level permissions or above to change user passwords and potentially take over administrator accounts.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00751,"percentile":0.5546,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-639"],"published":"2023-09-13T02:54:11Z","modified":"2026-06-17T06:37:19Z","products":[{"vendor":"mikevanwinkle","product":"simplr_registration_form_plus\\+"},{"vendor":"mpvanwinkle77","product":"simplr registration form plus+"}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/6ddf0452-3afe-4ada-bccc-30c818968a81?source=cve","tags":["x_transferred","Third Party Advisory"]},{"url":"https://plugins.trac.wordpress.org/browser/simplr-registration-form/trunk/lib/profile.php#L148","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4213"},{"url":"https://github.com/advisories/GHSA-9f9f-hrxg-722w"}],"sources":{"cve":[{"id":"CVE-2023-4213","title":"Simplr Registration Form Plus+ \u003c= 2.4.5 - Authenticated (Subscriber+) Insecure Direct Object Reference to Arbitrary User Password Change","description":"The Simplr Registration Form Plus+ plugin for WordPress is vulnerable to Insecure Direct Object References in versions up to, and including, 2.4.5. This is due to the plugin providing user-controlled access to objects, letting a user bypass authorization and access system resources. This makes it possible for authenticated attackers with subscriber-level permissions or above to change user passwords and potentially take over administrator accounts.","status":"published","published":"2023-09-13T02:54:11.287Z","modified":"2026-04-08T16:59:33.273Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:35:30.474787Z"}],"euvd":[{"id":"EUVD-2023-54087","description":"The Simplr Registration Form Plus+ plugin for WordPress is vulnerable to Insecure Direct Object References in versions up to, and including, 2.4.5. This is due to the plugin providing user-controlled access to objects, letting a user bypass authorization and access system resources. This makes it possible for authenticated attackers with subscriber-level permissions or above to change user passwords and potentially take over administrator accounts.","status":"published","published":"2023-09-13T02:54:11Z","modified":"2026-04-08T16:59:33Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:24:54.685702Z"}],"ghsa":[{"id":"GHSA-9f9f-hrxg-722w","title":"The Simplr Registration Form Plus+ plugin for WordPress is vulnerable to Insecure Direct Object...","description":"The Simplr Registration Form Plus+ plugin for WordPress is vulnerable to Insecure Direct Object References in versions up to, and including, 2.4.5. This is due to the plugin providing user-controlled access to objects, letting a user bypass authorization and access system resources. This makes it possible for authenticated attackers with subscriber-level permissions or above to change user passwords and potentially take over administrator accounts.","status":"published","published":"2023-09-13T03:30:16Z","modified":"2024-04-04T07:38:42Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:56:53.773376Z"}],"nvd":[{"id":"CVE-2023-4213","description":"The Simplr Registration Form Plus+ plugin for WordPress is vulnerable to Insecure Direct Object References in versions up to, and including, 2.4.5. This is due to the plugin providing user-controlled access to objects, letting a user bypass authorization and access system resources. This makes it possible for authenticated attackers with subscriber-level permissions or above to change user passwords and potentially take over administrator accounts.","status":"published","published":"2023-09-13T03:15:08.877Z","modified":"2026-06-17T06:37:19.76Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-639"],"updated_at":"2026-11-02T14:08:28.268644Z"}]}}