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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Brevo for WooCommerce plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u2018user_connection_id\u2019 parameter in all versions up to, and including, 4.0.49 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}, {"lang": "es", "value": "El plugin Brevo para WooCommerce para WordPress es vulnerable a cross-site scripting almacenado a trav\u00e9s del par\u00e1metro 'user_connection_id' en todas las versiones hasta la 4.0.49, inclusive, debido a una sanitizaci\u00f3n de entrada y un escape de salida insuficientes. Esto hace posible que atacantes no autenticados inyecten scripts web arbitrarios en p\u00e1ginas que se ejecutar\u00e1n cada vez que un usuario acceda a una p\u00e1gina inyectada."}], "id": "CVE-2025-14436", "lastModified": "2026-04-15T00:35:42.020", "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"}]}, "published": "2026-01-08T22:16:01.010", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/woocommerce-sendinblue-newsletter-subscription/trunk/src/managers/admin-manager.php#L59"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/woocommerce-sendinblue-newsletter-subscription/trunk/src/views/admin_menus.php#L728"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/woocommerce-sendinblue-newsletter-subscription/trunk/woocommerce-sendinblue.php#L164"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/woocommerce-sendinblue-newsletter-subscription/trunk/woocommerce-sendinblue.php#L171"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/woocommerce-sendinblue-newsletter-subscription/trunk/woocommerce-sendinblue.php#L188"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3434903/woocommerce-sendinblue-newsletter-subscription"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/670f4e26-75c9-40cd-8088-2fa4c40f6feb?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-22T00:02:46.675051+00:00", "value": {"mitigation_remediation": ["Upgrade the Brevo for WooCommerce plugin to version 4.0.50 or later to eliminate the unsanitized input path.", "If an upgrade is not immediately possible, reset the stored user_connection_id value to a safe, empty string or remove the plugin entirely until a patch is available.", "Implement proper output escaping for any plugin fields that render user-supplied data, either by installing a security plugin that enforces sanitization or by reviewing and correcting the code to ensure all output is properly escaped."], "summary": {"action": "Immediate patch", "impact": "Stored cross\u2011site scripting via unsanitized user_connection_id input in the Brevo for WooCommerce plugin"}, "threat_synthesis": {"affected_systems": "All WordPress sites that have the Brevo for WooCommerce plugin version 4.0.49 or earlier installed are affected. The vulnerability exists in every release up to and including 4.0.49, regardless of site role or configuration, and can impact any page rendered by the plugin.", "description_and_impact": "The Brevo for WooCommerce plugin allows an unauthenticated attacker to store arbitrary JavaScript by submitting a crafted value for the parameter user_connection_id. The plugin later outputs this value without escaping, so the injected script runs in the context of any site visitor who accesses an affected page, potentially enabling session hijacking, defacement, or traffic redirection. The weakness corresponds to CWE\u201179, a classic example of stored cross\u2011site scripting that compromises both confidentiality and integrity of users.", "risk_and_exploitability": "The CVSS score of 7.2 indicates high severity. The EPSS score of less than 1% suggests a low but non\u2011zero likelihood of exploitation at present, and the issue is not listed in the CISA KEV catalog. The likely attack vector is an unauthenticated submission of the malicious user_connection_id value, inferred from the plugin's use of the parameter; an attacker could provide the payload through an exposed configuration endpoint or admin interface."}}}}, "created": "2026-01-09T13:24:11.680765+00:00", "updated": "2026-04-22T00:15:03.762493+00:00", "vendors": ["neeraj_slit", "neeraj_slit$PRODUCT$brevo_for_woocommerce", "woocommerce", "woocommerce$PRODUCT$woocommerce", "wordpress", "wordpress$PRODUCT$wordpress"]}