CVE-2026-39332
ChurchCRM is an open-source church management system. Prior to 7.1.0, a reflected Cross-Site Scripting (XSS) vulnerability in GeoPage.php allows any authenticated user to inject arbitrary JavaScript into the browser of another authenticated user. Because the payload fires automatically via autofocus with no user interaction required, an attacker can steal session cookies and fully take over any victim account, including administrator accounts, by tricking them into submitting a crafted form. This vulnerability is fixed in 7.1.0.
CVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- Puntuación base: 8.7
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.36%
- Percentil entre todas las CVEs puntuadas: 27
- Fecha de la puntuación: 5/10/2026
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.
- Explotación
T1189Drive-by Compromiseinitial access95 % - Impacto principal
T1059.007JavaScriptexecution90 % - Impacto secundario
T1078.001Default Accountsstealth · persistence · privilege escalation · initial access85 % - Impacto secundario
T1098.002Additional Email Delegate Permissionspersistence · privilege escalation80 %
XSS reflejado en GeoPage.php (CWE-79) con autofocus permite inyectar JavaScript en navegadores de usuarios autenticados. El atacante roba cookies de sesión (T1078.001) y toma control de cuentas administrativas (T1098.002) mediante suplantación.
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
Tecnologías afectadas (1)
CWE
- CWE-79
Referencias
JSON original (NVD)
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