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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Client Testimonial Slider plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'aft_testimonial_meta_name' custom field in the Client Information metabox in all versions up to, and including, 2.0 due to insufficient input sanitization and output escaping on user-supplied attributes. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the injected administrative page."}, {"lang": "es", "value": "El plugin Client Testimonial Slider para WordPress es vulnerable a Cross-Site Scripting Almacenado a trav\u00e9s del campo personalizado 'aft_testimonial_meta_name' en la metabox de Informaci\u00f3n del Cliente en todas las versiones hasta la 2.0, inclusive, debido a una sanitizaci\u00f3n de entrada y escape de salida insuficientes en los atributos proporcionados por el usuario. Esto hace posible que atacantes autenticados, con acceso de nivel Colaborador y superior, inyecten scripts web arbitrarios en p\u00e1ginas que se ejecutar\u00e1n cada vez que un usuario acceda a la p\u00e1gina administrativa inyectada."}], "id": "CVE-2025-13897", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Secondary"}]}, "published": "2026-01-09T12:15:52.647", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/wp-client-testimonial/tags/2.0/wp-client-testimonial.php#L117"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/wp-client-testimonial/trunk/wp-client-testimonial.php#L117"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5bf12608-4e02-4b3a-9363-991dca5ee11b?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": "2026-04-22T00:00:05.542775+00:00", "value": {"mitigation_remediation": ["Upgrade to the latest release of Client Testimonial Slider that removes the stored XSS flaw.", "If an update is unavailable, deactivate or delete the plugin to eliminate the vulnerability.", "Limit Contributor and higher roles from editing testimonial metabox fields to reduce the attack surface."], "summary": {"action": "Patch", "impact": "Stored Cross\u2011Site Scripting"}, "threat_synthesis": {"affected_systems": "The Client Testimonial Slider WordPress plugin is affected, all versions up to and including 2.0. No particular sub\u2011versions are singled out; the issue exists across the entire range of 2.0 and earlier releases.", "description_and_impact": "The Client Testimonial Slider plugin for WordPress contains a stored Cross\u2011Site Scripting flaw (CWE\u201179) resulting from inadequate sanitization and output escaping of the 'aft_testimonial_meta_name' custom field in the Client Information metabox. The plugin saves any content entered into this field to the database and later renders it unfiltered on the administrative testimonial page. Authenticated contributors or higher privilege users can therefore inject arbitrary JavaScript, which will execute in the browsers of any visitor viewing that page, enabling defacement, cookie theft, or execution of further malicious payloads.", "risk_and_exploitability": "The CVSS score of 6.4 suggests moderate severity, and an EPSS score of less than 1% signals a low likelihood of active exploitation at the time of this analysis. The vulnerability is not listed in CISA's KEV catalog. Because exploitation requires a Contributor\u2011level authenticated user, the attack vector is internal. An attacker would likely gain access through compromised user credentials or social engineering and then load the malicious testimonial page to trigger the stored payload. The resulting impact is limited to users who view the administrative testimonial page but can facilitate further lateral movement or data theft if additional privileges are available."}}}}, "created": "2026-01-09T13:23:31.812858+00:00", "updated": "2026-04-22T00:15:03.759428+00:00", "vendors": ["amu02aftab", "amu02aftab$PRODUCT$client_testimonial_slider", "wordpress", "wordpress$PRODUCT$wordpress"]}