CVE-2026-34563 - Vulnerability Analysis

Overview

CI4MS < 0.31.0.0 contains a stored XSS caused by improper sanitization of backup upload filenames and unsafe rendering in backup management views, letting attackers inject and execute JavaScript payloads, exploit requires uploading a crafted backup file.

Severity & Score

Impact

Attackers can execute arbitrary JavaScript in the context of the application, potentially leading to session hijacking or user impersonation.

Mitigation

Update to version 0.31.0.0 or later.

References

• https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.0.0
• https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-85m8-g393-jcxf

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner