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Home / Vulnerability Intelligence / CVE-2026-34571

CVE-2026-34571 - Vulnerability Analysis

CriticalCVSS: 9.9

Last Updated: April 1, 2026

CI4MS - Stored XSS

Published: April 1, 2026Updated: April 1, 2026Remote Exploitable

Overview

CI4MS < 0.31.0.0 contains a stored XSS caused by improper sanitization of user input in backend user management, letting attackers inject persistent JavaScript to hijack sessions and escalate privileges, exploit requires backend user access.

Severity & Score

Severity: Critical
CVSS Score: 9.9

Impact

Attackers can hijack sessions, escalate privileges, and fully compromise administrative accounts via persistent JavaScript execution.

Mitigation

Upgrade to version 0.31.0.0 or later.

Details

CVE ID
CVE-2026-34571
Severity
Critical
CVSS Score
9.9
Type
stored_xss
Status
new

CWE

  • CWE-79

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H