Description
CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to 0.31.4.0, the Pages module does not apply the html_purify validation rule to content fields during create and update operations, while the Blog module does. Page content is stored unsanitized in the database and rendered as raw HTML on the public frontend via echo $pageInfo->content. An authenticated admin with page-editing privileges can inject arbitrary JavaScript that executes in the browser of every public visitor viewing the page. This vulnerability is fixed in 0.31.4.0.
Published: 2026-04-08
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: Stored Cross‑Site Scripting that allows a privileged administrator to insert JavaScript that runs in the browsers of all public visitors to the affected page
Action: Immediate Patch
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-fjpj-6qcq-6pw2 CI4MS has stored XSS in Pages Content Due to Missing html_purify Sanitization
History

Thu, 16 Apr 2026 00:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:ci4-cms-erp:ci4ms:*:*:*:*:*:*:*:*

Wed, 08 Apr 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Ci4-cms-erp
Ci4-cms-erp ci4ms
Vendors & Products Ci4-cms-erp
Ci4-cms-erp ci4ms

Wed, 08 Apr 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 08 Apr 2026 15:00:00 +0000

Type Values Removed Values Added
Description CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to 0.31.4.0, the Pages module does not apply the html_purify validation rule to content fields during create and update operations, while the Blog module does. Page content is stored unsanitized in the database and rendered as raw HTML on the public frontend via echo $pageInfo->content. An authenticated admin with page-editing privileges can inject arbitrary JavaScript that executes in the browser of every public visitor viewing the page. This vulnerability is fixed in 0.31.4.0.
Title CI4MS has Stored XSS in Pages Content Due to Missing html_purify Sanitization
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N'}


Subscriptions

Ci4-cms-erp Ci4ms
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-04-08T16:05:26.652Z

Reserved: 2026-04-06T22:06:40.516Z

Link: CVE-2026-39392

cve-icon Vulnrichment

Updated: 2026-04-08T16:05:23.765Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-08T15:16:14.057

Modified: 2026-04-16T00:09:55.230

Link: CVE-2026-39392

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-04-08T19:39:19Z

Weaknesses