CodeIgniter 4-based CMS Skeleton Vulnerability in Mail Settings
CVE-2026-27599

4.7MEDIUM

Key Information:

Vendor

Ci4-cms-erp

Status
Ci4ms
Vendor
CVE Published:
30 March 2026

What is CVE-2026-27599?

The CI4MS application, built on the CodeIgniter 4 framework, has a vulnerability that arises from inadequate sanitization of user-controlled input in the Mail Settings configuration. Prior to version 0.31.0.0, it permits malicious users to inject harmful data into multiple fields such as Mail Server, Mail Port, Email Address, Email Password, and TLS settings. This poorly handled input is stored on the server and subsequently displayed without proper encoding, posing a risk for cross-site scripting (XSS) attacks. The issue has been remedied in the latest update.

Affected Version(s)

ci4ms < 0.31.0.0

References

https://github.com/ci4-cms-erp/ci4ms/security/advisories/...
x_refsource_CONFIRM

CVSS V3.1

Score:
4.7
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.