{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-1865", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-02-03T21:08:12.868Z", "datePublished": "2026-04-08T11:16:56.654Z", "dateUpdated": "2026-04-08T16:34:04.366Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-08T16:34:04.366Z"}, "affected": [{"vendor": "wpeverest", "product": "User Registration & Membership \u2013 Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "5.1.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The User Registration & Membership \u2013 Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to SQL Injection via the \u2018membership_ids[]\u2019 parameter in all versions up to, and including, 5.1.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Subscriber-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database."}], "title": "User Registration & Membership <= 5.1.2 - Authenticated (Subscriber+) SQL Injection via membership_ids[]", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/07c79459-66b8-4c93-a1cd-6e3ede95643f?source=cve"}, {"url": "https://plugins.trac.wordpress.org/changeset/3469042/user-registration"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "cweId": "CWE-89", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "baseScore": 6.5, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Athiwat Tiprasaharn"}, {"lang": "en", "type": "finder", "value": "Itthidej Aramsri"}], "timeline": [{"time": "2026-02-03T21:23:58.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2026-04-07T23:11:46.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-08T13:11:18.293318Z", "id": "CVE-2026-1865", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-04-08T13:11:23.411Z"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The User Registration & Membership \u2013 Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to SQL Injection via the \u2018membership_ids[]\u2019 parameter in all versions up to, and including, 5.1.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Subscriber-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database."}], "id": "CVE-2026-1865", "lastModified": "2026-04-08T21:26:13.410", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security@wordfence.com", "type": "Primary"}]}, "published": "2026-04-08T12:16:20.440", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3469042/user-registration"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/07c79459-66b8-4c93-a1cd-6e3ede95643f?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "security@wordfence.com", "type": "Primary"}]}

{}

{"affected": [{"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"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,5.1.2]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "User Registration & Membership \u2013 Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder", "source": "cna", "vendor": "wpeverest"}, "product": "user_registration_&_membership_\u2013_free_&_paid_memberships,_subscriptions,_content_restriction,_user_profile,_custom_user_registration_&_login_builder", "vendor": "wpeverest"}], "analysis": {"en": {"generated_at": "2026-04-08T12:51:32.659058+00:00", "value": {"mitigation_remediation": ["Update the plugin to the latest available version.", "If a new version is not yet released, temporarily deactivate the plugin until an update is available.", "Verify that recent database backups are available before making changes.", "Check the plugin\u2019s official repository or support channels for security advisories and patches."], "summary": {"action": "Immediate Patch", "impact": "SQL Injection"}, "threat_synthesis": {"affected_systems": "WordPress installations that use the WP Everest User Registration & Membership \u2013 Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin are affected. Any release version 5.1.2 or earlier is vulnerable, regardless of WordPress version.", "description_and_impact": "The User Registration & Membership plugin for WordPress, developed by WP Everest, contains a SQL Injection vulnerability in all versions up to 5.1.2. The flaw occurs in the membership_ids[] parameter, where user input is not properly escaped and the SQL query does not use prepared statements. An authenticated attacker with a Subscriber role or higher can craft input that appends additional SQL statements and extract sensitive database information.", "risk_and_exploitability": "The CVSS score of 6.5 indicates moderate severity. Because the vulnerability requires authenticated access at Subscriber level or above, an attacker must have legitimate user credentials. No EPSS score or KEV listing is available, but the potential to retrieve arbitrary data gives a significant confidentiality risk. The attack vector is authenticated, based on the requirement for a subscriber role; it cannot be exploited by unauthenticated users."}}}}, "created": "2026-04-08T19:27:15.050556+00:00", "updated": "2026-04-08T19:39:52.278519+00:00", "vendors": ["wordpress", "wordpress$PRODUCT$wordpress", "wpeverest", "wpeverest$PRODUCT$user_registration_&_membership_\u2013_free_&_paid_memberships,_subscriptions,_content_restriction,_user_profile,_custom_user_registration_&_login_builder"]}