CVE-2026-41201
CI4MS: Backup Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM Blind XSS Version 2
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
9.1
CI4MS: Backup Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM Blind XSS Version 2
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.
- Record
CVE-2026-41201- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2026-28253
9.1
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.
- Record
EUVD-2026-28253- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-qxpq-82f3-xj47
6.8
CI4MS: Backup Management Full Account Takeover for All Roles & Privilege Escalation via Stored DOM Blind XSS
An attacker can achieve Full Account Takeover and Privilege Escalation via Stored DOM XSS in the backup module's filename field, which is manipulated through an SQL file that tampers with the filename field to contain a hidden XSS payload.
- Record
GHSA-qxpq-82f3-xj47- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
9.1
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.
- Record
CVE-2026-41201- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
9.1
CI4MS: Backup Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM Blind XSS Version 2
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.
- Record
CVE-2026-41201- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-qxpq-82f3-xj47
6.8
CI4MS: Backup Management Full Account Takeover for All Roles & Privilege Escalation via Stored DOM Blind XSS
An attacker can achieve Full Account Takeover and Privilege Escalation via Stored DOM XSS in the backup module's filename field, which is manipulated through an SQL file that tampers with the filename field to contain a hidden XSS payload.
- Record
GHSA-qxpq-82f3-xj47- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
ci4-cms-erp/ci4msPackagist |
before 0.31.5.0 | 0.31.5.0 |
ci4-cms-erp/ci4msPackagist |
before 0.31.5.0, plus listed versions 0.21.00.21.10.21.20.21.30.21.3.1 Show 45 moreShow less0.21.3.20.21.3.30.21.3.40.21.3.50.21.3.60.21.3.70.23.0.00.23.0.10.23.0.20.23.1.00.24.0.00.24.0.160.24.0.180.24.0.190.24.0.200.24.0.270.24.0.420.24.0.450.24.0.600.25.0.00.25.0.10.25.0.20.25.0.300.25.0.390.25.0.430.25.1.00.25.2.00.25.3.00.26.0.00.26.1.00.26.2.00.26.3.00.26.3.10.26.3.20.26.3.30.26.3.40.27.0.00.28.0.00.28.3.00.28.4.00.28.5.00.28.6.00.31.0.00.31.1.00.31.2.0 |
0.31.5.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-41201 is a critical vulnerability (CVSS 9.1) in Ci4-cms-erp Ci4ms, published April 22, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.33%, the 26th percentile. Fixed in ci4-cms-erp/ci4ms 0.31.5.0.
References
github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-qxpq-82f3-xj47
github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.5.0
nvd.nist.gov/vuln/detail/CVE-2026-41201
github.com/advisories/GHSA-qxpq-82f3-xj47
github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41201.json
github.com/ci4-cms-erp/ci4ms
Left out here: 2 versions. The JSON record has them.