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CVE-2026-34571

Status: AnalyzedCritical (9)—

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, a Stored Cross-Site Scripting (Stored XSS) vulnerability exists in the backend user management functionality. The application fails to properly sanitize user-controlled input before rendering it in the administrative interface, allowing attackers to inject persistent JavaScript code. This results in automatic execution whenever backend users access the affected page, enabling session hijacking, privilege escalation, and full administrative account compromise. This issue has been patched in version 0.31.0.0.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

🎯 ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

Stored XSS en interfaz administrativa (CWE-79) con ejecución automática de JavaScript en sesiones de usuarios backend, permitiendo secuestro de cuentas administrativas y escalada de privilegios.

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

🛡️ ATT&CK mitigations that cover these techniques

User TrainingRestrict Web-Based ContentPrivileged Account ManagementMulti-factor AuthenticationDisable or Remove Feature or ProgramUser Account Management

Affected technologies (1)

Ci4-cms-erp — Ci4ms

CWEs

References

Raw JSON (NVD)

Show
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