CVE-2023-5561
Estado: ModificadaMedia (5.3)—💥 Exploit
WordPress does not properly restrict which user fields are searchable via the REST API, allowing unauthenticated attackers to discern the email addresses of users who have published public posts on an affected website via an Oracle style attack
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Puntuación base: 5.3
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 3.86%
- Percentil entre todas las CVEs puntuadas: 90
- Fecha de la puntuación: 7/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
💥 Exploits públicos
Hay código de explotación o plantillas de detección públicos. No es lo mismo que explotación activa confirmada (KEV), pero aumenta el riesgo: parchee con prioridad.
- Plantilla de Nuclei (detección automática y masiva) · WordPress Core - Post Author Email Disclosure
- Prueba de concepto en GitHub (no verificada) · Lista de pruebas de concepto en GitHub
⚠️ Las pruebas de concepto de GitHub no están verificadas: algunas son falsas o contienen malware. No las ejecute nunca fuera de un laboratorio aislado.
Tecnologías afectadas (1)
CWE
- NVD-CWE-noinfo
Referencias
- https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html
- https://wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/
- https://wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441
- https://lists.debian.org/debian-lts-announce/2023/11/msg00014.html
- https://wpscan.com/blog/email-leak-oracle-vulnerability-addressed-in-wordpress-6-3-2/
- https://wpscan.com/vulnerability/19380917-4c27-4095-abf1-eba6f913b441
JSON original (NVD)
Mostrar
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"value": "El complemento Popup Builder de WordPress hasta la versión 4.1.15 no sanitiza ni escapa a algunas de sus configuraciones, lo que podría permitir a usuarios con privilegios elevados, como el administrador, realizar ataques de Cross-Site Scripting almacenados incluso cuando la capacidad unfiltered_html no está permitida (por ejemplo, en una configuración multisitio)."
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