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{"cveTags": [], "descriptions": [{"lang": "en", "value": "The Schema Shortcode plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `itemscope` shortcode in all versions up to, and including, 1.0 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 an injected page."}, {"lang": "es", "value": "El plugin Schema Shortcode para WordPress es vulnerable a cross-site scripting almacenado a trav\u00e9s del shortcode 'itemscope' del plugin en todas las versiones hasta la 1.0, inclusive, debido a la sanitizaci\u00f3n de entrada y el escape de salida insuficientes en los atributos proporcionados por el usuario. Esto hace posible que atacantes autenticados, con acceso de nivel de colaborador y 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-2026-1575", "lastModified": "2026-04-22T21:32:08.360", "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": "2026-03-21T04:16:53.937", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/schema-shortcode/trunk/schema-shortcode.php#L41"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/b8c89d80-0ae5-4849-b739-0881fec188bf?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Secondary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Schema Shortcode", "source": "cna", "vendor": "jeric_izon"}, "product": "schema_shortcode", "vendor": "jeric_izon"}, {"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": "2026-03-21T06:21:31.180521+00:00", "value": {"mitigation_remediation": ["Upgrade Schema Shortcode to a version that eliminates the XSS flaw.", "If an update is not available, uninstall or deactivate the plugin to remove the attack surface.", "Verify that any remaining shortcodes are sanitized or removed before use.", "Restrict contributor privileges or reassess role assignments to minimize the number of users who can inject content through the plugin."], "summary": {"action": "Patch", "impact": "Stored Cross-Site Scripting"}, "threat_synthesis": {"affected_systems": "This weakness affects all installations of the jeric_izon Schema Shortcode plugin, specifically versions up to and including 1.0. The plugin is used as a WordPress add\u2011on, so any WordPress site running the affected version is susceptible.", "description_and_impact": "The Schema Shortcode plugin for WordPress contains a flaw that allows authenticated users with contributor-level access and higher to store arbitrary JavaScript payloads via the plugin\u2019s itemscope shortcode. The vulnerability arises from insufficient sanitization and escaping of user-supplied attributes, meaning that any injected script will execute in the browser of any visitor who loads a page containing the shortcode. Compromise of a user\u2019s session, theft of credentials, and defacement of site content are all possible outcomes of this stored XSS flaw.", "risk_and_exploitability": "The CVSS score of 6.4 places the vulnerability in the moderate severity range. While no EPSS score is available, the lack of a KEV listing suggests that exploitation is not yet widespread, yet the bounds of the vulnerability are well understood. Attackers only need a contributor or higher role to inject malicious code, and the stored nature of the payload means the script will run for all site visitors until the code is removed. The combination of moderate severity, absence of a known public exploit, and the need for legitimate user credentials places this risk in a medium priority bracket for sites that allow contributor access."}}}}, "created": "2026-03-23T09:50:03.976549+00:00", "updated": "2026-03-25T14:41:44.512257+00:00", "vendors": ["jeric_izon", "jeric_izon$PRODUCT$schema_shortcode", "wordpress", "wordpress$PRODUCT$wordpress"]}