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CVE-2026-35574

Estado: AnalizadaAlta (8.7)—

ChurchCRM is an open-source church management system. Prior to 6.5.3, a stored Cross-Site Scripting (XSS) vulnerability in ChurchCRM's Note Editor allows authenticated users with note-adding permissions to execute arbitrary JavaScript code in the context of other users' browsers, including administrators. This can lead to session hijacking, privilege escalation, and unauthorized access to sensitive church member data. This vulnerability is fixed in 6.5.3.

CVSS

Probabilidad de explotación (EPSS)

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.

XSS almacenado (CWE-79) en editor de notas permite ejecutar JavaScript arbitrario en navegadores de otros usuarios. Requiere autenticación (PR:L) e interacción del usuario (UI:R), clasificándose como T1189. Impactos: ejecución de código JavaScript (T1059.007), robo de sesiones (T1078) y manipulación

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 TrainingUser Account ManagementRestrict Web-Based ContentPrivileged Account ManagementMulti-factor AuthenticationDisable or Remove Feature or Program

Tecnologías afectadas (1)

Churchcrm — Churchcrm

CWE

Referencias

JSON original (NVD)

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