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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Appointment Booking Calendar \u2014 Simply Schedule Appointments Booking Plugin plugin for WordPress is vulnerable to SQL Injection via the 'fields' parameter in all versions up to, and including, 1.6.10.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database, including usernames, email addresses, and password hashes."}, {"lang": "es", "value": "El plugin Appointment Booking Calendar \u2014 Simply Schedule Appointments Booking Plugin para WordPress es vulnerable a inyecci\u00f3n SQL a trav\u00e9s del par\u00e1metro 'fields' en todas las versiones hasta la, e incluyendo, la 1.6.10.0 debido a un escape insuficiente en el par\u00e1metro proporcionado por el usuario y la falta de preparaci\u00f3n suficiente en la consulta SQL existente. Esto permite a atacantes no autenticados a\u00f1adir consultas SQL adicionales en consultas ya existentes que pueden utilizarse para extraer informaci\u00f3n sensible de la base de datos, incluyendo nombres de usuario, direcciones de correo electr\u00f3nico y hashes de contrase\u00f1as."}], "id": "CVE-2026-3658", "lastModified": "2026-04-22T21:32:08.360", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security@wordfence.com", "type": "Secondary"}]}, "published": "2026-03-19T12:16:18.807", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/trunk/includes/class-appointment-type-model.php#L907"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/trunk/includes/lib/td-util/class-td-api-model.php#L140"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/simply-schedule-appointments/trunk/includes/lib/td-util/class-td-db-model.php#L1171"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3485143/"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/67c7b9b2-e73f-47fe-aecc-14e998a607c8?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.6.10.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Appointment Booking Calendar \u2014 Simply Schedule Appointments Booking Plugin", "source": "cna", "vendor": "croixhaug"}, "product": "appointment_booking_calendar_\u2014_simply_schedule_appointments_booking_plugin", "vendor": "croixhaug"}, {"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": "2026-03-19T12:20:28.440215+00:00", "value": {"mitigation_remediation": ["Upgrade the Appointment Booking Calendar plugin to a version newer than 1.6.10.0 as released by the vendor or through the WordPress plugin repository.", "If an update is not immediately available, disable the plugin or remove external access to the 'fields' parameter to prevent injection attempts.", "Ensure the WordPress core, themes, and all other plugins are updated to their latest secure releases."], "summary": {"action": "Immediate Patch", "impact": "Information Disclosure"}, "threat_synthesis": {"affected_systems": "All installations of the Appointment Booking Calendar plugin version 1.6.10.0 or earlier are affected. The plugin is distributed under the brand croixhaug:Appointment Booking Calendar \u2014 Simply Schedule Appointments Booking Plugin. No specific vendor patch notes are available in the supplied data; the fix is presumed to be included in any release newer than 1.6.10.0.", "description_and_impact": "The Appointment Booking Calendar \u2014 Simply Schedule Appointments Booking Plugin for WordPress is vulnerable to unauthenticated SQL Injection via the 'fields' parameter in all versions up to 1.6.10.0. The vulnerability arises from insufficient escaping of user\u2011supplied input and the absence of prepared statements in the existing SQL query. This flaw allows attackers to append arbitrary SQL commands, enabling the extraction of sensitive data such as usernames, email addresses, and password hashes from the database. The weakness is identified as CWE-89, indicating a classic SQL injection scenario.", "risk_and_exploitability": "The CVSS Base Score for this issue is 7.5, indicating high severity. EPSS data is not available, so the current exploitation probability is uncertain, but the flaw is known to be exploitable by unauthenticated users. The vulnerability is not listed in the CISA KEV catalog. Attackers can trigger the flaw by sending a crafted request to the 'fields' parameter, causing the plugin to execute injected SQL statements."}}}}, "created": "2026-03-20T08:56:55.117949+00:00", "updated": "2026-03-20T14:15:05.098333+00:00", "vendors": ["croixhaug", "croixhaug$PRODUCT$appointment_booking_calendar_\u2014_simply_schedule_appointments_booking_plugin", "wordpress", "wordpress$PRODUCT$wordpress"]}