CVE-2026-39495

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-39495", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "state": "PUBLISHED", "assignerShortName": "Patchstack", "dateReserved": "2026-04-07T10:47:43.843Z", "datePublished": "2026-04-08T08:30:12.091Z", "dateUpdated": "2026-04-29T09:52:01.948Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "simply-schedule-appointments", "product": "Simply Schedule Appointments", "vendor": "NSquared", "versions": [{"changes": [{"at": "1.6.9.29", "status": "unaffected"}], "lessThanOrEqual": "1.6.9.27", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "daroo | Patchstack Bug Bounty Program"}], "datePublic": "2026-04-08T10:28:58.943Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Blind SQL Injection.<p>This issue affects Simply Schedule Appointments: from n/a through <= 1.6.9.27.</p>"}], "value": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Blind SQL Injection.This issue affects Simply Schedule Appointments: from n/a through <= 1.6.9.27."}], "impacts": [{"capecId": "CAPEC-7", "descriptions": [{"lang": "en", "value": "Blind SQL Injection"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L", "version": "3.1"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-89", "description": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-04-29T09:52:01.948Z"}, "references": [{"tags": ["vdb-entry"], "url": "https://patchstack.com/database/Wordpress/Plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-9-27-sql-injection-vulnerability?_s_id=cve"}], "title": "WordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerability"}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-04-10T18:08:24.814081Z", "id": "CVE-2026-39495", "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": "2026-04-10T18:08:35.533Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-39495", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-04-10T18:08:24.814081Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-10T18:08:14.029Z"}}], "cna": {"title": "WordPress Simply Schedule Appointments plugin <= 1.6.9.27 - SQL Injection vulnerability", "credits": [{"lang": "en", "type": "finder", "value": "daroo | Patchstack Bug Bounty Program"}], "impacts": [{"capecId": "CAPEC-7", "descriptions": [{"lang": "en", "value": "Blind SQL Injection"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "NSquared", "product": "Simply Schedule Appointments", "versions": [{"status": "affected", "changes": [{"at": "1.6.9.29", "status": "unaffected"}], "version": "0", "versionType": "custom", "lessThanOrEqual": "1.6.9.27"}], "packageName": "simply-schedule-appointments", "collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected"}], "datePublic": "2026-04-08T10:28:58.943Z", "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-9-27-sql-injection-vulnerability?_s_id=cve", "tags": ["vdb-entry"]}], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Blind SQL Injection.This issue affects Simply Schedule Appointments: from n/a through <= 1.6.9.27.", "supportingMedia": [{"type": "text/html", "value": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Blind SQL Injection.<p>This issue affects Simply Schedule Appointments: from n/a through <= 1.6.9.27.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-89", "description": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')"}]}], "providerMetadata": {"orgId": "21595511-bba5-4825-b968-b78d1f9984a3", "shortName": "Patchstack", "dateUpdated": "2026-04-29T09:52:01.948Z"}}}, "cveMetadata": {"cveId": "CVE-2026-39495", "state": "PUBLISHED", "dateUpdated": "2026-04-29T09:52:01.948Z", "dateReserved": "2026-04-07T10:47:43.843Z", "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3", "datePublished": "2026-04-08T08:30:12.091Z", "assignerShortName": "Patchstack"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://wordpress.org/plugins", "defaultStatus": "unaffected", "packageName": "simply-schedule-appointments", "product": "Simply Schedule Appointments", "vendor": "NSquared", "versions": [{"changes": [{"at": "1.6.9.29", "status": "unaffected"}], "lessThanOrEqual": "1.6.9.27", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "audit@patchstack.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in NSquared Simply Schedule Appointments simply-schedule-appointments allows Blind SQL Injection.This issue affects Simply Schedule Appointments: from n/a through <= 1.6.9.27."}, {"lang": "es", "value": "Neutralizaci\u00f3n incorrecta de elementos especiales utilizados en un comando SQL ('inyecci\u00f3n SQL') vulnerabilidad en NSquared Simply Schedule Appointments simply-schedule-appointments permite inyecci\u00f3n SQL ciega. Este problema afecta a Simply Schedule Appointments: desde n/a hasta <= 1.6.9.27."}], "id": "CVE-2026-39495", "lastModified": "2026-07-24T21:10:00.143", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.7, "source": "audit@patchstack.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 8.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 4.7, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-39495", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-10T18:08:24.814081Z", "version": "2.0.3"}}]}, "published": "2026-04-08T09:16:23.800", "references": [{"source": "audit@patchstack.com", "url": "https://patchstack.com/database/Wordpress/Plugin/simply-schedule-appointments/vulnerability/wordpress-simply-schedule-appointments-plugin-1-6-9-27-sql-injection-vulnerability?_s_id=cve"}], "sourceIdentifier": "audit@patchstack.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "audit@patchstack.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.6.9.27]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Simply Schedule Appointments", "source": "cna", "vendor": "NSquared"}, "product": "simply_schedule_appointments", "vendor": "nsquared"}, {"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": "2026-04-10T20:29:07.635570+00:00", "value": {"mitigation_remediation": ["Upgrade Simply Schedule Appointments to version\u00a01.6.9.28 or later", "If an update is not immediately possible, restrict access to the plugin\u2019s administrative pages to trusted users only", "Implement a web application firewall or JSON Schema validation to filter out malformed input"], "summary": {"action": "Immediate Patch", "impact": "SQL Injection \u2013 potential data breach"}, "threat_synthesis": {"affected_systems": "The flaw affects the NSquared Simply Schedule Appointments plug\u2011in for WordPress, versions from the earliest release through 1.6.9.27.", "description_and_impact": "This vulnerability allows an attacker to inject SQL code into a request handled by the Simply Schedule Appointments plug\u2011in. The injection is blind, allowing the attacker to infer data from response timing or error messages. Without proper input sanitization, the attacker can read or modify sensitive database contents, compromising confidentiality and integrity of the WordPress site\u2019s data store. The weakness is identified as CWE\u201189.", "risk_and_exploitability": "The CVSS score of 8.5 reflects high severity. EPSS indicates the probability of exploitation is below 1\u202f%, and the vulnerability is not listed in the CISA KEV catalog. The likely attack vector is a remote authenticated or unauthenticated user submitting crafted data to the plugin\u2019s endpoints, though the precise conditions are not detailed in the advisory, so it is inferred."}}}}, "created": "2026-04-08T19:30:39.079620+00:00", "updated": "2026-04-13T14:25:34.554579+00:00", "vendors": ["nsquared", "nsquared$PRODUCT$simply_schedule_appointments", "wordpress", "wordpress$PRODUCT$wordpress"]}