CVE-2026-19861

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19861", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "state": "PUBLISHED", "assignerShortName": "WPScan", "dateReserved": "2026-08-14T10:00:59.401Z", "datePublished": "2026-09-05T06:00:04.674Z", "dateUpdated": "2026-09-06T10:41:35.834Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-05T06:00:04.674Z"}, "title": "JetFormBuilder < 3.6.5.2 - Unauthenticated Stored XSS via WYSIWYG Field in Notification Emails", "problemTypes": [{"descriptions": [{"description": "CWE-79 Cross-Site Scripting (XSS)", "lang": "en", "type": "CWE"}]}], "affected": [{"vendor": "Unknown", "product": "JetFormBuilder \u2014 Dynamic Blocks Form Builder", "versions": [{"status": "affected", "versionType": "semver", "version": "0", "lessThan": "3.6.5.2"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The JetFormBuilder \u2014 Dynamic Blocks Form Builder WordPress plugin before 3.6.5.2 does not properly sanitise and escape a form field's value before including it in the HTML notification emails it sends, allowing unauthenticated users to inject arbitrary HTML into messages delivered to administrators and other recipients. Whether injected script executes depends on the recipient's mail client, but the injected markup is rendered regardless."}], "references": [{"url": "https://wpscan.com/vulnerability/c9c834a3-dc65-4972-9315-d4dcc7f26599/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "credits": [{"lang": "en", "value": "Sai Praneeth Koti", "type": "finder"}, {"lang": "en", "value": "WPScan", "type": "coordinator"}], "source": {"discovery": "EXTERNAL"}, "x_generator": {"engine": "WPScan CVE Generator"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-79", "lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-09-06T10:33:44.371578Z", "id": "CVE-2026-19861", "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": "2026-09-06T10:41:35.834Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-19861", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-06T10:33:44.371578Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-06T10:33:17.502Z"}}], "cna": {"title": "JetFormBuilder < 3.6.5.2 - Unauthenticated Stored XSS via WYSIWYG Field in Notification Emails", "source": {"discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "Sai Praneeth Koti"}, {"lang": "en", "type": "coordinator", "value": "WPScan"}], "affected": [{"vendor": "Unknown", "product": "JetFormBuilder \u2014 Dynamic Blocks Form Builder", "versions": [{"status": "affected", "version": "0", "lessThan": "3.6.5.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "references": [{"url": "https://wpscan.com/vulnerability/c9c834a3-dc65-4972-9315-d4dcc7f26599/", "tags": ["exploit", "vdb-entry", "technical-description"]}], "x_generator": {"engine": "WPScan CVE Generator"}, "descriptions": [{"lang": "en", "value": "The JetFormBuilder \u2014 Dynamic Blocks Form Builder WordPress plugin before 3.6.5.2 does not properly sanitise and escape a form field's value before including it in the HTML notification emails it sends, allowing unauthenticated users to inject arbitrary HTML into messages delivered to administrators and other recipients. Whether injected script executes depends on the recipient's mail client, but the injected markup is rendered regardless."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "description": "CWE-79 Cross-Site Scripting (XSS)"}]}], "providerMetadata": {"orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "shortName": "WPScan", "dateUpdated": "2026-09-05T06:00:04.674Z"}}}, "cveMetadata": {"cveId": "CVE-2026-19861", "state": "PUBLISHED", "dateUpdated": "2026-09-06T10:41:35.834Z", "dateReserved": "2026-08-14T10:00:59.401Z", "assignerOrgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81", "datePublished": "2026-09-05T06:00:04.674Z", "assignerShortName": "WPScan"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "JetFormBuilder \u2014 Dynamic Blocks Form Builder", "vendor": "Unknown", "versions": [{"lessThan": "3.6.5.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "contact@wpscan.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The JetFormBuilder \u2014 Dynamic Blocks Form Builder WordPress plugin before 3.6.5.2 does not properly sanitise and escape a form field's value before including it in the HTML notification emails it sends, allowing unauthenticated users to inject arbitrary HTML into messages delivered to administrators and other recipients. Whether injected script executes depends on the recipient's mail client, but the injected markup is rendered regardless."}], "id": "CVE-2026-19861", "lastModified": "2026-09-08T19:09:21.310", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.6, "impactScore": 2.7, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-19861", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-06T10:33:44.371578Z", "version": "2.0.3"}}]}, "published": "2026-09-05T07:17:11.563", "references": [{"source": "contact@wpscan.com", "url": "https://wpscan.com/vulnerability/c9c834a3-dc65-4972-9315-d4dcc7f26599/"}], "sourceIdentifier": "contact@wpscan.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,3.6.5.2)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}]}, "original": {"product": "JetFormBuilder \u2014 Dynamic Blocks Form Builder", "source": "cna", "vendor": "Unknown"}, "product": "jetformbuilder", "vendor": "wordpress-extensions"}], "created": "2026-09-05T08:00:06.500170+00:00", "updated": "2026-11-11T21:15:57.298183+00:00", "vendors": ["wordpress-extensions", "wordpress-extensions$PRODUCT$jetformbuilder"]}