CVE-2026-41201
CVE-2026-41201 is a critical-severity vulnerability with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-28253
- Weakness: CWE-79
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2026-41201?
- 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.
- How severe is CVE-2026-41201?
- CVE-2026-41201 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-41201 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-41201?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-41201 have an EU (EUVD) identifier?
- Yes. CVE-2026-41201 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-28253.
- When was CVE-2026-41201 published?
- CVE-2026-41201 was published on 2026-05-07 and last updated on 2026-06-17.
References
- https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.5.0
- https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-qxpq-82f3-xj47
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