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CVE-2026-34567

CI4MS: Blogs Posts (Categories) Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS

Published: Apr 1, 2026Updated: Apr 6, 2026 Sources: CVE List NVDCWE-79
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
0.3%
Top 81.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to properly sanitize user-controlled input when creating or editing blog posts within the Categories section. An attacker can inject a malicious JavaScript payload into the Categories content, which is then stored server-side. This stored payload is later rendered unsafely when the Categories are viewed via blog posts, without proper output encoding, leading to stored cross-site scripting (XSS). This issue has been patched in version 0.31.0.0.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:HI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-79

Affected Products

ci4msci4-cms-erp
On-prem
Enterprise Software / erp
ci4-cms-erpEnterprise Softwareaka ci4ms

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-r33w-c82v-x5v7
github.com
https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.0.0
github.com

Timeline

Published
Apr 1, 2026
Last Updated
Apr 6, 2026

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