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I. Basic Information for CVE-2026-34566
Vulnerability Information

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Vulnerability Title
CI4MS: Pages Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
Source: NVD (National Vulnerability Database)
Vulnerability Description
CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to properly sanitize user-controlled input within the Page Management functionality when creating or editing pages. Multiple input fields accept attacker-controlled JavaScript payloads that are stored server-side. These stored values are later rendered without proper output encoding across administrative page lists and public-facing page views, leading to stored DOM-based cross-site scripting (XSS). This issue has been patched in version 0.31.0.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
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 0.31.0.0之前版本存在跨站脚本漏洞,该漏洞源于在页面管理功能中创建或编辑页面时未正确清理用户输入,可能导致存储型基于DOM的跨站脚本攻击。
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)
Affected Products
VendorProductAffected VersionsCPESubscribe
ci4-cms-erpci4ms < 0.31.0.0 -
II. Public POCs for CVE-2026-34566
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III. Intelligence Information for CVE-2026-34566
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IV. Related Vulnerabilities
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