CVE-2026-34562— CI4MS: System Settings (Company Information) Full Platform Compromise & Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
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I. Basic Information for CVE-2026-34562
Vulnerability Information
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Vulnerability Title
CI4MS: System Settings (Company Information) Full Platform Compromise & 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 System Settings – Company Information. Several administrative configuration fields accept attacker-controlled input that is stored server-side and later rendered without proper output encoding. 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:H/UI:N/S:U/C:L/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，该漏洞源于在系统设置-公司信息中未能正确清理用户控制的输入，多个管理配置字段接受攻击者控制的输入，导致存储型跨站脚本攻击。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| ci4-cms-erp | ci4ms | < 0.31.0.0 | - |
II. Public POCs for CVE-2026-34562
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · ci4-cms-erp · 2026-04-01 · 14 CVEs total
| CVE-2026-34571 | 10.0 CRITICAL | CI4MS: Stored Cross‑Site Scripting (Stored XSS) in Backend User Management Allows Session |
| CVE-2026-34569 | 10.0 CRITICAL | CI4MS: Blogs Categories Full Account Takeover for All-Roles & Privilege-Escalation via Sto |
| CVE-2026-34568 | 9.1 CRITICAL | CI4MS: Blogs Posts Full Account Takeover for All-Roles & Privilege-Escalation via Stored D |
| CVE-2026-34560 | 9.1 CRITICAL | CI4MS: Logs Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS |
| CVE-2026-34559 | 9.1 CRITICAL | CI4MS: Blogs Tags Full Account Takeover for All-Roles & Privilege-Escalation via Stored DO |
| CVE-2026-34567 | 9.1 CRITICAL | CI4MS: Blogs Posts (Categories) Full Account Takeover for All-Roles & Privilege-Escalation |
| CVE-2026-34566 | 9.1 CRITICAL | CI4MS: Pages Management Full Account Takeover for All-Roles & Privilege-Escalation via Sto |
| CVE-2026-34564 | 9.1 CRITICAL | CI4MS: Menu Management (Pages) Full Account Takeover for All-Roles & Privilege-Escalation |
| CVE-2026-34563 | 9.1 CRITICAL | CI4MS: Backup Management Full Account Takeover for All-Roles & Privilege-Escalation via St |
| CVE-2026-34565 | 9.1 CRITICAL | CI4MS: Menu Management (Posts) Full Account Takeover for All-Roles & Privilege-Escalation |
| CVE-2026-34572 | 8.8 HIGH | CI4MS: Account Deactivation Module Full Persistent Unauthorized Access for All‑Roles via I |
| CVE-2026-34570 | 8.8 HIGH | CI4MS: Account Deletion Module Full Persistent Unauthorized Access for All‑Roles via Impro |
| CVE-2026-34561 | 4.7 MEDIUM | CI4MS: System Settings (Social Media Management) Full Platform Compromise & Full Account T |
IV. Related Vulnerabilities
Same product: ci4ms
- CVE-2026-41891
CI4MS: Deactivated User Session Bypass (active=0) - 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-2026-41202
ci4ms Backup::restore is vulnerable to Zip Slip leading to R - CVE-2026-41201
CI4MS: Backup Management Full Account Takeover for All-Roles
Same vendor: ci4-cms-erp
- CVE-2026-41891
CI4MS: Deactivated User Session Bypass (active=0) - 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-2026-41202
ci4ms Backup::restore is vulnerable to Zip Slip leading to R - CVE-2026-41201
CI4MS: Backup Management Full Account Takeover for All-Roles
Same weakness: CWE-79
- CVE-2026-42455
LinkWarden: Stored XSS via Client-Side Archive Upload (Unsan - CVE-2026-42451
Grimmory: Stored XSS via Malicious EPUB Enables Session Toke - CVE-2026-42556
Postiz stored XSS in public preview page - CVE-2026-42224
ipl/web is vulnerable to reflected XSS by malformed search r - CVE-2026-42192
Plunk: Stored XSS in campaign view
V. Comments for CVE-2026-34562
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