Vulnerability · Published May 7, 2026 · Assigned by GitHub_M

CVE-2026-41201CI4MS: Backup Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM Blind XSS Version 2

Critical 9.1

In plain English

A critical-severity cross-site scripting in ci4ms from ci4-cms-erp. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.3%top 73.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistci4-cms-erp/ci4ms0.31.5.0GHSA-qxpq-82f3-xj47

Affected products (as reported)

VendorProductVersions
ci4-cms-erp ci4ms = 0.31.4.0

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References