CVE-2026-4365

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-4365", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-03-17T20:45:25.774Z", "datePublished": "2026-04-14T01:24:59.735Z", "dateUpdated": "2026-04-14T13:48:54.581Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-14T01:24:59.735Z"}, "affected": [{"vendor": "thimpress", "product": "LearnPress \u2013 WordPress LMS Plugin for Create and Sell Online Courses", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "4.3.2.8", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "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."}], "title": "LearnPress <= 4.3.2.8 - Missing Authorization to Unauthenticated Arbitrary Quiz Answer Deletion", "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"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-862 Missing Authorization", "cweId": "CWE-862", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "baseScore": 9.1, "baseSeverity": "CRITICAL"}}], "credits": [{"lang": "en", "type": "finder", "value": "Supakiad S."}], "timeline": [{"time": "2026-03-17T21:00:54.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-04-13T12:59:29.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-14T13:47:01.056961Z", "id": "CVE-2026-4365", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-14T13:48:54.581Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-4365", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-14T13:47:01.056961Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-14T13:47:56.198Z"}}], "cna": {"title": "LearnPress <= 4.3.2.8 - Missing Authorization to Unauthenticated Arbitrary Quiz Answer Deletion", "credits": [{"lang": "en", "type": "finder", "value": "Supakiad S."}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 9.1, "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H"}}], "affected": [{"vendor": "thimpress", "product": "LearnPress \u2013 WordPress LMS Plugin for Create and Sell Online Courses", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "4.3.2.8"}], "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2026-03-17T21:00:54.000Z", "value": "Vendor Notified"}, {"lang": "en", "time": "2026-04-13T12:59:29.000Z", "value": "Disclosed"}], "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"}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-862", "description": "CWE-862 Missing Authorization"}]}], "providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-14T01:24:59.735Z"}}}, "cveMetadata": {"cveId": "CVE-2026-4365", "state": "PUBLISHED", "dateUpdated": "2026-04-14T13:48:54.581Z", "dateReserved": "2026-03-17T20:45:25.774Z", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "datePublished": "2026-04-14T01:24:59.735Z", "assignerShortName": "Wordfence"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "LearnPress \u2013 WordPress LMS Plugin for Create and Sell Online Courses", "vendor": "thimpress", "versions": [{"lessThanOrEqual": "4.3.2.8", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-4365", "lastModified": "2026-06-17T10:56:28.900", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4365", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-14T13:47:01.056961Z", "version": "2.0.3"}}]}, "published": "2026-04-14T02:16:05.767", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/learnpress/trunk/inc/Ajax/AbstractAjax.php#L33"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/learnpress/trunk/inc/Ajax/EditQuestionAjax.php#L285"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/learnpress/trunk/inc/class-lp-assets.php#L177"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/021bd566-1663-46ba-a616-ab554b691cbb?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-862"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.3.2.8]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "LearnPress \u2013 WordPress LMS Plugin for Create and Sell Online Courses", "source": "cna", "vendor": "thimpress"}, "product": "learnpress_\u2013_wordpress_lms_plugin_for_create_and_sell_online_courses", "vendor": "thimpress"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "analysis": {"en": {"generated_at": "2026-04-14T03:22:39.632900+00:00", "value": {"mitigation_remediation": ["Upgrade LearnPress to the latest version (4.3.2.9 or newer).", "If an upgrade is not immediately possible, remove or obfuscate the publicly exposed wp_rest nonce in the frontend by editing the plugin\u2019s asset files or adding custom JavaScript to hide it.", "Disable the wp_rest AJAX dispatcher for unauthenticated users through site security plugins or server configuration rules.", "Verify that no delete_question_answer operations are available in REST API or admin interfaces without proper capability checks.", "Monitor the LMS database for unexpected deletions and audit access logs for suspicious activity."], "summary": {"action": "Immediate Patch", "impact": "Unauthorized Data Deletion"}, "threat_synthesis": {"affected_systems": "The affected product is the thimpress LearnPress WordPress LMS plugin. All versions up to and including 4.3.2.8 are impacted. Users who have not updated beyond these releases are exposed.", "description_and_impact": "LearnPress for WordPress allows attackers to delete any quiz answer because the delete_question_answer() function performs no capability or ownership check. The only security gate is a publicly exposed wp_rest nonce, so an unauthenticated user can craft a POST request and remove an answer option. This vulnerability represents a Missing Authorization weakness (CWE-862) and results in permanent loss of quiz data for the site.", "risk_and_exploitability": "The CVSS score of 9.1 indicates a high severity impact. Because the flaw can be triggered by any unauthenticated visitor through a simple POST request, the risk of exploitation is considerable, even though EPSS data is unavailable and it is not listed in the CISA KEV catalog. The lack of a capability check means the attacker needs only the public nonce to delete answers, making exploitation straightforward."}}}}, "created": "2026-04-14T16:16:09.678817+00:00", "updated": "2026-04-14T16:31:06.267574+00:00", "vendors": ["thimpress", "thimpress$PRODUCT$learnpress_\u2013_wordpress_lms_plugin_for_create_and_sell_online_courses", "wordpress", "wordpress$PRODUCT$wordpress"]}