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

Quick assessment

Affected
ci4-cms-erp ci4ms
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

CI4MS是Ci4MS开源的一个博客页面管理工具。 CI4MS 0.31.4.0版本存在跨站脚本漏洞，该漏洞源于备份模块文件名域通过SQL文件篡改隐藏XSS有效载荷，可能导致存储型DOM XSS实现完全账户接管和权限提升。

CVSS 9.1 · Critical EPSS 0.33% · P25

Affected Version Matrix 1

VendorProduct Version RangeStatus
ci4-cms-erp ci4ms = 0.31.4.0 affected
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I. Basic Information for CVE-2026-41201

Vulnerability Information
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Vulnerability Title
CI4MS: Backup Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM Blind XSS Version 2
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
CI4MS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CI4MS是Ci4MS开源的一个博客页面管理工具。 CI4MS 0.31.4.0版本存在跨站脚本漏洞，该漏洞源于备份模块文件名域通过SQL文件篡改隐藏XSS有效载荷，可能导致存储型DOM XSS实现完全账户接管和权限提升。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
ci4-cms-erp ci4ms = 0.31.4.0 -

II. Public POCs for CVE-2026-41201

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 5571 chars
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III. Intelligence Information for CVE-2026-41201

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Vendor Advisories for CVE-2026-41201 (1)

Vendor Pages for CVE-2026-41201 (1)

Same Patch Batch · ci4-cms-erp · 2026-05-07 · 6 CVEs total

CVE-2026-41202 ci4ms Backup::restore is vulnerable to Zip Slip leading to RCE
CVE-2026-41890 CI4MS: Arbitrary Database Table Drop via Theme deleteProcess
CVE-2026-41203 ci4ms Theme::upload is vulnerable to Zip Slip leading to RCE
CVE-2026-41587 CI4MS: Unrestricted PHP File Upload via Theme Installation Leads to Authenticated Remote C
CVE-2026-41891 CI4MS: Deactivated User Session Bypass (active=0)

IV. Related Vulnerabilities

Same product: ci4ms
Same vendor: ci4-cms-erp
Same weakness: CWE-79

V. Comments for CVE-2026-41201

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