CVE-2026-5130

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Debugger & Troubleshooter", "vendor": "jhimross", "versions": [{"lessThanOrEqual": "1.3.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Debugger & Troubleshooter plugin for WordPress was vulnerable to Unauthenticated Privilege Escalation in versions up to and including 1.3.2. This was due to the plugin accepting the wp_debug_troubleshoot_simulate_user cookie value directly as a user ID without any cryptographic validation or authorization checks. The cookie value was used to override the determine_current_user filter, which allowed unauthenticated attackers to impersonate any user by simply setting the cookie to their target user ID. This made it possible for unauthenticated attackers to gain administrator-level access and perform any privileged actions including creating new administrator accounts, modifying site content, installing plugins, or taking complete control of the WordPress site. The vulnerability was fixed in version 1.4.0 by implementing a cryptographic token-based validation system where only administrators can initiate user simulation, and the cookie contains a random 64-character token that must be validated against database-stored mappings rather than accepting arbitrary user IDs."}, {"lang": "es", "value": "El plugin Debugger &amp; Troubleshooter para WordPress era vulnerable a una escalada de privilegios no autenticada en versiones hasta la 1.3.2 inclusive. Esto se deb\u00eda a que el plugin aceptaba el valor de la cookie wp_debug_troubleshoot_simulate_user directamente como un ID de usuario sin ninguna validaci\u00f3n criptogr\u00e1fica ni comprobaciones de autorizaci\u00f3n. El valor de la cookie se utilizaba para anular el filtro determine_current_user, lo que permit\u00eda a atacantes no autenticados suplantar a cualquier usuario simplemente configurando la cookie con el ID de usuario objetivo. Esto hac\u00eda posible que atacantes no autenticados obtuvieran acceso a nivel de administrador y realizaran cualquier acci\u00f3n privilegiada, incluyendo la creaci\u00f3n de nuevas cuentas de administrador, la modificaci\u00f3n del contenido del sitio, la instalaci\u00f3n de plugins o el control total del sitio de WordPress. La vulnerabilidad fue corregida en la versi\u00f3n 1.4.0 mediante la implementaci\u00f3n de un sistema de validaci\u00f3n criptogr\u00e1fico basado en tokens donde solo los administradores pueden iniciar la simulaci\u00f3n de usuario, y la cookie contiene un token aleatorio de 64 caracteres que debe ser validado contra mapeos almacenados en la base de datos en lugar de aceptar IDs de usuario arbitrarios."}], "id": "CVE-2026-5130", "lastModified": "2026-06-17T10:58:29.250", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-5130", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-03-31T13:35:33.787488Z", "version": "2.0.3"}}]}, "published": "2026-03-30T23:17:04.177", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/debugger-troubleshooter/tags/1.3.2/debug-troubleshooter.php#L827"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/debugger-troubleshooter/tags/1.3.2/debug-troubleshooter.php#L849"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3486202/debugger-troubleshooter/trunk/debug-troubleshooter.php"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/3e037931-870f-45eb-973c-0276911682ad?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-565"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.3.2]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Debugger & Troubleshooter", "source": "cna", "vendor": "jhimross"}, "product": "debugger_&_troubleshooter", "vendor": "jhimross"}, {"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": "2026-03-31T06:51:38.607265+00:00", "value": {"mitigation_remediation": ["Upgrade the Debugger & Troubleshooter plugin to version 1.4.0 or later, which adds cryptographic token validation and limits user simulation to administrators only. ", "After updating, clear any existing wp_debug_troubleshoot_simulate_user cookies from browsers and server caches to eliminate legacy values. ", "If the plugin cannot be updated immediately, disable or remove the plugin to prevent privilege escalation until a patch is applied."], "summary": {"action": "Immediate Patch", "impact": "Privilege Escalation to Administrator"}, "threat_synthesis": {"affected_systems": "Vulnerable installations are those that use the jhimross Debugger & Troubleshooter WordPress plugin in versions 1.3.2 and earlier; no other plugins or WordPress core components are affected by this specific vulnerability.", "description_and_impact": "This flaw allows unauthenticated users to set a specific cookie named wp_debug_troubleshoot_simulate_user to any numeric user ID, which the plugin accepts without validation and uses to override the current user context. By doing so, an attacker can impersonate any existing user, including those with administrative privileges, and perform privileged actions such as creating new administrators, modifying site content, installing plugins, or taking complete control of the WordPress site.", "risk_and_exploitability": "Characterized by a CVSS score of 8.8, the vulnerability is high severity and not listed in CISA's KEV catalog. The exploit does not require authentication or complex preparation, as attackers can set the cookie directly through a browser or HTTP requests. Based on the description it is inferred that the likely attack vector is via cookie manipulation, which can be performed by any visitor to the site. The lack of cryptographic checks and lack of authorization means that the exploit can be carried out with minimal effort and can lead to full site compromise."}}}}, "created": "2026-03-31T19:57:05.928852+00:00", "updated": "2026-03-31T20:39:50.435682+00:00", "vendors": ["jhimross", "jhimross$PRODUCT$debugger_&_troubleshooter", "wordpress", "wordpress$PRODUCT$wordpress"]}