CVE-2026-2440

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "SurveyJS: Drag & Drop Form Builder", "vendor": "devsoftbaltic", "versions": [{"lessThanOrEqual": "2.5.3", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The SurveyJS plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 2.5.3 via survey result submissions. This is due to insufficient input sanitization and output escaping. The public survey page exposes the nonce required for submission, allowing unauthenticated attackers to submit HTML-encoded payloads that are decoded and rendered as executable HTML when an administrator views survey results, leading to stored XSS in the admin context."}, {"lang": "es", "value": "El plugin SurveyJS para WordPress es vulnerable a cross-site scripting almacenado en todas las versiones hasta la 2.5.3, inclusive, a trav\u00e9s del env\u00edo de resultados de encuestas. Esto se debe a una sanitizaci\u00f3n de entrada y un escape de salida insuficientes. La p\u00e1gina p\u00fablica de la encuesta expone el nonce requerido para el env\u00edo, lo que permite a atacantes no autenticados enviar cargas \u00fatiles codificadas en HTML que se decodifican y se renderizan como HTML ejecutable cuando un administrador ve los resultados de la encuesta, lo que lleva a XSS almacenado en el contexto de administrador."}], "id": "CVE-2026-2440", "lastModified": "2026-06-17T10:30:57.553", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-2440", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-23T16:38:35.706788Z", "version": "2.0.3"}}]}, "published": "2026-03-21T04:17:02.220", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/surveyjs/tags/2.5.2/ajax_handlers/save_result.php#L15"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/surveyjs/tags/2.5.2/views/results.php#L116"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/08264ef7-940f-46b6-9880-34d730adad3c?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.5.3]"}}], "enrichment": {"confidence": 87.0, "confidence_source": "matching", "scores": [{"score": 87.0, "source": "matching"}]}, "original": {"product": "SurveyJS: Drag & Drop Form Builder", "source": "cna", "vendor": "devsoftbaltic"}, "product": "surveyjs_drag_drop_wordpress_form_builder", "vendor": "devsoftbaltic"}, {"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": "2026-03-21T07:21:51.260717+00:00", "value": {"mitigation_remediation": ["Update SurveyJS to a version newer than 2.5.3 that removes the stored XSS flaw.", "If a newer version is not available, disable the survey result submission endpoint or block submissions from unauthenticated users.", "If the plugin is not needed, deactivate or uninstall SurveyJS Drag & Drop Form Builder entirely.", "As a temporary safeguard, apply a strict content security policy to the administrator area to prevent execution of injected scripts."], "summary": {"action": "Apply Patch", "impact": "Stored Cross\u2011Site Scripting in admin context"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the devsoftbaltic SurveyJS Drag & Drop Form Builder plugin for WordPress in all publicly released versions up to and including 2.5.3. Sites running any of these releases are at risk if the plugin remains active.", "description_and_impact": "The SurveyJS Drag & Drop Form Builder plugin for WordPress is vulnerable to stored cross\u2011site scripting. Unsanitized survey submissions allow an attacker to inject HTML\u2011encoded payloads that are saved and later rendered as executable code when an administrator views survey results. This flaw, identified as CWE\u201179, can lead to arbitrary script execution within the administrative interface, potentially compromising confidentiality, integrity, or availability of the site.", "risk_and_exploitability": "The CVSS score of 7.2 indicates moderate\u2011to\u2011high severity. An EPSS score is not available and the flaw is not listed in the CISA KEV catalog, so the likelihood of exploitation is uncertain. The attack vector is inferred to be unauthenticated: the public survey page exposes the required nonce, enabling any visitor to submit malicious payloads that are stored and later rendered in the admin context. No additional prerequisites or privileges are required beyond the ability to submit a survey response."}}}}, "created": "2026-03-23T09:51:04.948308+00:00", "updated": "2026-03-25T14:42:40.298015+00:00", "vendors": ["devsoftbaltic", "devsoftbaltic$PRODUCT$surveyjs_drag_drop_wordpress_form_builder", "wordpress", "wordpress$PRODUCT$wordpress"]}