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CVE-2026-100523

Estado: AplazadaMedia (5.1)—

Cotonti through 1.0.0 contains an open redirect vulnerability in message.php that base64-decodes the redirect parameter without domain validation. Unauthenticated attackers can craft malicious links with encoded external URLs to redirect users to arbitrary sites via meta refresh tags for phishing attacks.

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.

CWE-601 (open redirect) + UI:A (requiere interacción) + phishing explícito en descripción. T1203: explotación en cliente con interacción. T1566.002: phishing por enlace. T1189: XSS-like via meta refresh.

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 ContentAuditApplication Isolation and SandboxingExploit Protection

Tecnologías afectadas (1)

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

Cotonti — CotontiAI

CWE

Referencias

JSON original (NVD)

Mostrar
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      "url": "https://github.com/Cotonti/Cotonti/blob/1.0.0/message.php",
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