CVE-2026-42289

Estado: AplazadaAlta (8.8)—

ChurchCRM is an open-source church management system. Prior to 7.3.2, UserEditor.php processes user account creation and permission updates entirely through $_POST parameters with no CSRF token validation. An unauthenticated attacker can craft a malicious HTML page that, when visited by an authenticated administrator, silently elevates any low-privilege user to full administrator or creates a new admin backdoor account without the victim's knowledge This vulnerability is fixed in 7.3.2.

CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Puntuación base: 8.8

Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 0.20%
Percentil entre todas las CVEs puntuadas: 9
Fecha de la puntuación: 6/10/2026

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).

🎯 Técnicas ATT&CK

Cómo se explota esta vulnerabilidad y qué consigue el atacante, en el lenguaje de MITRE ATT&CK.

ExplotaciónT1203 Exploitation for Client Executionexecution95 %
Impacto principalT1068 Exploitation for Privilege Escalationprivilege escalation85 %
Impacto secundarioT1078 Valid Accountsstealth · persistence · privilege escalation · initial access90 %
Impacto secundarioT1098 Account Manipulationpersistence · privilege escalation80 %

UI:R + requiere interacción de administrador autenticado = T1203. Impactos: escalada de privilegios (elevación a admin), acceso de cuenta (crear admin backdoor), modificación de cuentas existentes (CWE-269, CWE-352 CSRF).

Inferido por nuestro agente de análisis a partir de la descripción oficial, el vector CVSS y la CWE, y comprobado por un supervisor. Puede contener errores.

🛡️ Mitigaciones ATT&CK que cubren estas técnicas

User Account Management Privileged Account Management Multi-factor Authentication Application Isolation and Sandboxing Exploit Protection Update Software

Tecnologías afectadas (1)

⚠ Inferidas por IA a partir de la descripción — NVD aún no ha analizado esta CVE; no son CPE verificados.

Churchcrm — Churchcrm^AI

CWE

CWE-269, CWE-306, CWE-352

Referencias

JSON original (NVD)

Mostrar

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  "published": "2026-05-12T23:16:17.730",
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  "lastModified": "2026-06-17T10:47:38.487",
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