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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Smart App Banners plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'size' and 'verticalalign' parameters of the 'app-store-download' shortcode in all versions up to, and including, 1.2 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 an injected page."}, {"lang": "es", "value": "El plugin Smart App Banners para WordPress es vulnerable a cross-site scripting almacenado a trav\u00e9s de los par\u00e1metros 'size' y 'verticalalign' del shortcode 'app-store-download' en todas las versiones hasta la 1.2, inclusive, debido a una sanitizaci\u00f3n de entrada y un escape de salida insuficientes en atributos proporcionados por el usuario. Esto permite que atacantes autenticados, con acceso de nivel Colaborador o superior, inyecten scripts web arbitrarios en p\u00e1ginas que se ejecutar\u00e1n cada vez que un usuario acceda a una p\u00e1gina inyectada."}], "id": "CVE-2025-13841", "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": "2026-01-07T12:16:50.140", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/smart-app-banners/tags/1.2/index.php#L321"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/smart-app-banners/trunk/index.php#L321"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/add85b9b-3a4d-4c46-a90f-10c9645e249d?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": "2026-04-21T00:31:03.957177+00:00", "value": {"mitigation_remediation": ["Upgrade Smart App Banners to the latest available version that removes the vulnerability.", "If an update is unavailable, deactivate or uninstall the plugin and re\u2011implement the desired functionality with a secure alternative.", "Immediately review and cleanse all posts and pages that used the 'app\u2011store\u2011download' shortcode to delete injected scripts and ensure proper sanitization before storing content."], "summary": {"action": "Apply Patch", "impact": "Stored Cross\u2011Site Scripting via shortcode attributes resulting in arbitrary script execution for visitors"}, "threat_synthesis": {"affected_systems": "WordPress sites that have installed the Smart App Banners plugin, version 1.2 or any earlier release. The vulnerability exists in all releases up to and including 1.2, so any site using the plugin in those versions is impacted.", "description_and_impact": "The Smart App Banners WordPress plugin allows stored cross\u2011site scripting through the 'size' and 'verticalalign' parameters of its 'app\u2011store\u2011download' shortcode. Because input is not sufficiently sanitized or properly escaped, an authenticated user with Contributor access or higher can inject JavaScript that will run whenever any visitor loads a page containing the malicious shortcode, giving the attacker the ability to deface content, steal data, or perform further attacks.", "risk_and_exploitability": "The CVSS score of 6.4 indicates moderate severity. The EPSS score of less than 1% shows a low probability of exploitation. The vulnerability is not listed in the CISA KEV catalog. Attackers need authenticated Contributor\u2011level or higher access to inject the malicious shortcode; once the shortcode is stored, all visitors to the relevant page will have the injected script executed, providing a direct path for exploitation without additional prerequisites."}}}}, "created": "2026-01-08T09:49:53.666639+00:00", "updated": "2026-04-21T00:45:23.082668+00:00", "vendors": ["clevelandwebdeveloper", "clevelandwebdeveloper$PRODUCT$smart_app_banners", "wordpress", "wordpress$PRODUCT$wordpress"]}