CI4MS Vulnerable to User Email Enumeration via Password Reset Flow
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-204.
Summary
CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.28.5.0, the authentication implementation in CI4MS is vulnerable to email enumeration. An unauthenticated attacker can determine whether an email address is registered in the system by analyzing the application's response during the password reset process. This issue has been patched in version 0.28.5.0.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ci4-cms-erp | ci4ms | before 0.28.5.0 | 0.28.5.0 | Patch available | CNA |
| — | ci4-cms-erp/ci4ms (Packagist) | before 0.28.5.0 | 0.28.5.0 | Patch available | GHSA-654x-9q7r-g966 |
- ci4ms Vendorci4-cms-erp Affected before 0.28.5.0 Fixed in 0.28.5.0 Patch available CNA
- ci4-cms-erp/ci4ms (Packagist) Vendor— Affected before 0.28.5.0 Fixed in 0.28.5.0 Patch available GHSA-654x-9q7r-g966
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ci4-cms-erp:ci4ms:*:*:*:*:*:*:*:* | before 0.28.5.0 | Vulnerable | ci4-cms-erp |
- cpe:2.3:a:ci4-cms-erp:ci4ms:*:*:*:*:*:*:*:* Versions before 0.28.5.0 Vulnerable ·ci4-cms-erp
Remediation
- Fix · CNA ci4ms (ci4-cms-erp) Fixed in 0.28.5.0
- Fix · GHSA-654x-9q7r-g966 ci4-cms-erp/ci4ms (Packagist) Fixed in 0.28.5.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-25509
- 2026-10-03 Alias added: GHSA-654x-9q7r-g966
References
More ci4-cms-erp Ci4ms vulnerabilities
- TI-2026-26819 Improper access control in ci4-cms-erp ci4ms CVSS 3.1HIGH 8.8
- TI-2026-28379 CI4MS has an .env CRLF Injection via Unvalidated `host` Parameter in Install Controller CVSS 3.1CRITICAL 9.8
- TI-2026-27211 Cross-site scripting in ci4-cms-erp ci4ms CVSS 4.0CRITICAL 9.4
- TI-2026-26820 Cross-site scripting in ci4-cms-erp ci4ms CVSS 3.1CRITICAL 10.0
- TI-2026-26818 CI4MS: Blogs Categories Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS CVSS 3.1CRITICAL 10.0
- TI-2026-27238 Cross-site scripting in ci4-cms-erp ci4ms CVSS 3.1CRITICAL 9.0
Sources
- CVE-2026-25509 · CVE Program
- CVE-2026-25509 · NVD
- FIRST EPSS
- GHSA-654x-9q7r-g966 · GitHub Advisory Database · CC BY 4.0
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