CVE-2026-41201: CI4MS: Backup Management Full Account Takeover for All Roles & Privilege Escalation via Stored DOM Blind XSS

CVE-2026-41201 · Severity: critical · CVSS 9.1 · Published 2026-05-07

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. In version 0.31.4.0, an attacker can achieve Full Account Takeover & Privilege Escalation via Stored DOM XSS in backup module filename field manipulated via a sql file that tampers with the file name field to contain hidden XSS payload. This issue has been patched in version 0.31.5.0.

Technologies: ci4-cms-erp/ci4ms (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2026-41201 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-41201 being exploited in the wild.
How severe is CVE-2026-41201?
Critical severity, with a CVSS score of 9.1, published 7 May 2026.
Which products and versions are affected?
ci4-cms-erp/ci4ms (Packagist) ECOSYSTEM:introduced=0,fixed=0.31.5.0.
Is there a fix for CVE-2026-41201?
Yes. ci4-cms-erp/ci4ms (Packagist): upgrade to 0.31.5.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-41201?
Check whether you run ci4-cms-erp/ci4ms (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • ci4-cms-erp/ci4ms (Packagist): upgrade to 0.31.5.0 or later
    composer require ci4-cms-erp/ci4ms:^0.31.5.0

Affected products

  • ci4-cms-erp/ci4ms (Packagist) ECOSYSTEM:introduced=0,fixed=0.31.5.0

Identifiers

  • CVE-2026-41201
  • GHSA-qxpq-82f3-xj47

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.