{"id":"CVE-2026-10623","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-10623","generatedAt":"2026-10-28T09:42:12.603Z","title":"The PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.3.0 via the 'rule_id' parameter due to missing validation on a user…","description":"The PressPrimer Quiz – AI Quiz Maker, Exam Builder & LMS Assessment Plugin plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.3.0 via the 'rule_id' parameter due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with custom-level access and above, to modify or delete quiz rules belonging to other teachers, resulting in unauthorized tampering of another user's quiz structure.","published":"2026-06-18T06:16:56.000Z","lastModified":"2026-06-18T19:16:20.000Z","status":"Deferred","sourceIdentifier":"security@wordfence.com","cvss":{"version":"3.1","score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"},"cwe":["CWE-639"],"affected":[],"epss":{"score":0.00252,"percentile":0.16606,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.25%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/PressPrimer/pressprimer-quiz/commit/1795687","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L1703","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L1786","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L1813","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L1860","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L1923","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L1963","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.1.0/includes/api/class-ppq-rest-controller.php#L434","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L1703","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L1786","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L1813","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L1860","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L1923","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L1963","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/pressprimer-quiz/tags/2.2.2/includes/api/class-ppq-rest-controller.php#L434","source":"security@wordfence.com"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/150ac796-d77b-4915-8bbf-9f9b54be8eaf?source=cve","source":"security@wordfence.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-10623","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}