CVE-2026-34558 - Vulnerability Analysis
CriticalCVSS: 9.1Last Updated: March 30, 2026
CI4MS - Stored XSS
Published: March 30, 2026Updated: March 30, 2026Remote Exploitable
Overview
CI4MS < 0.31.0.0 contains a stored XSS caused by improper sanitization of user input in Methods Management, letting attackers inject JavaScript payloads that execute in admin interfaces, exploit requires authenticated access.
Severity & Score
Severity: Critical
CVSS Score: 9.1
Impact
Attackers can execute arbitrary JavaScript in admin interfaces, potentially leading to session hijacking or administrative control.
Mitigation
Update to version 0.31.0.0 or later.
Related Resources
Details
- CVE ID
- CVE-2026-34558
- Severity
- Critical
- CVSS Score
- 9.1
- 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:L/A:L