CVE-2026-4068

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Add Custom Fields to Media", "vendor": "pattihis", "versions": [{"lessThanOrEqual": "2.0.3", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Add Custom Fields to Media plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.3. This is due to missing nonce validation on the field deletion functionality in the admin display template. The plugin properly validates a nonce for the 'add field' operation (line 24-36), but the 'delete field' operation (lines 38-49) processes the $_GET['delete'] parameter and calls update_option() without any nonce verification. This makes it possible for unauthenticated attackers to delete arbitrary custom media fields via a forged request, granted they can trick a site administrator into performing an action such as clicking on a link."}, {"lang": "es", "value": "El plugin Add Custom Fields to Media para WordPress es vulnerable a la falsificaci\u00f3n de petici\u00f3n en sitios cruzados en todas las versiones hasta la 2.0.3, inclusive. Esto se debe a la falta de validaci\u00f3n de nonce en la funcionalidad de eliminaci\u00f3n de campos en la plantilla de visualizaci\u00f3n del administrador. El plugin valida correctamente un nonce para la operaci\u00f3n de 'a\u00f1adir campo' (l\u00edneas 24-36), pero la operaci\u00f3n de 'eliminar campo' (l\u00edneas 38-49) procesa el par\u00e1metro $_GET['delete'] y llama a update_option() sin ninguna verificaci\u00f3n de nonce. Esto hace posible que atacantes no autenticados eliminen campos de medios personalizados arbitrarios a trav\u00e9s de una petici\u00f3n falsificada, siempre que puedan enga\u00f1ar a un administrador del sitio para que realice una acci\u00f3n como hacer clic en un enlace."}], "id": "CVE-2026-4068", "lastModified": "2026-06-17T10:55:56.217", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-4068", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-19T17:12:09.016107Z", "version": "2.0.3"}}]}, "published": "2026-03-19T07:16:00.090", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/add-custom-fields-to-media/tags/2.0.3/admin/partials/add-custom-fields-to-media-admin-display.php#L38"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/add-custom-fields-to-media/tags/2.0.3/admin/partials/add-custom-fields-to-media-admin-display.php#L48"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/add-custom-fields-to-media/trunk/admin/partials/add-custom-fields-to-media-admin-display.php#L38"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/add-custom-fields-to-media/trunk/admin/partials/add-custom-fields-to-media-admin-display.php#L48"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3481588%40add-custom-fields-to-media&new=3481588%40add-custom-fields-to-media&sfp_email=&sfph_mail="}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/259a4950-9377-4d18-86ad-aadd97dcdbc7?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-352"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.0.3]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Add Custom Fields to Media", "source": "cna", "vendor": "pattihis"}, "product": "add_custom_fields_to_media", "vendor": "pattihis"}, {"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": "2026-03-19T08:50:53.417360+00:00", "value": {"mitigation_remediation": ["Upgrade the Add Custom Fields to Media plugin to the latest version that includes nonce validation for the delete operation.", "If an upgrade is not immediately possible, disable the delete functionality by removing or commenting out the relevant code in the plugin files.", "Apply a Web Application Firewall or CSRF protection plugin to block unauthorized GET requests to the delete action within the admin area.", "Ensure that only trusted administrators have access to the WordPress admin interface and consider implementing two\u2011factor authentication.", "Regularly verify the integrity of the plugin files and monitor for unauthorized modifications."], "summary": {"action": "Patch Now", "impact": "Unauthorized Deletion of Media Custom Fields"}, "threat_synthesis": {"affected_systems": "All installations of the Add Custom Fields to Media plugin from vendor pattihis with version 2.0.3 or earlier are vulnerable. No specific sub\u2011versions beyond 2.0.3 are listed; any release after 2.0.3 that includes nonce validation for the delete operation is considered safe.", "description_and_impact": "The Add Custom Fields to Media plugin for WordPress allows Cross\u2011Site Request Forgery (CWE\u2011352) due to missing nonce validation when the 'delete' parameter is processed in the admin display template. An unauthenticated attacker can issue a crafted GET request that triggers update_option() to delete an arbitrary custom media field, provided a site administrator follows a malicious link. This results in loss of media metadata and possible disruption of dependents that rely on the deleted fields, affecting data integrity and site functionality.", "risk_and_exploitability": "The CVSS base score is 4.3, indicating moderate severity. No EPSS score is available and the vulnerability is not listed in the CISA KEV catalog. The flaw can be exploited by directing an administrator who is logged into the WordPress admin area to visit a malicious URL with the 'delete' parameter, thereby performing the deletion without requiring any additional credentials. The risk is moderate and mainly impacts the integrity of custom media field data."}}}}, "created": "2026-03-19T08:54:32.108054+00:00", "updated": "2026-03-20T14:15:51.491575+00:00", "vendors": ["pattihis", "pattihis$PRODUCT$add_custom_fields_to_media", "wordpress", "wordpress$PRODUCT$wordpress"]}