Input Sanitization Flaw in CodeIgniter 4-based CMS Affecting CI4MS
CVE-2026-34561

4.7MEDIUM

Key Information:

Vendor

Ci4-cms-erp

Status
Ci4ms
Vendor
CVE Published:
1 April 2026

What is CVE-2026-34561?

CI4MS, a CodeIgniter 4-based CMS skeleton, suffers from an input sanitization vulnerability that impacts its Social Media Management features. Versions prior to 0.31.0.0 allow attacker-controlled input to be stored server-side and rendered without adequate output encoding, posing security risks. This significant issue has been addressed in version 0.31.0.0, emphasizing the importance of keeping software up-to-date.

Affected Version(s)

ci4ms < 0.31.0.0

References

https://github.com/ci4-cms-erp/ci4ms/security/advisories/...
x_refsource_CONFIRM
https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.0.0
x_refsource_MISC

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

.