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CVE-2026-34560— CI4MS: Logs Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS

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 0.31.0.0之前版本存在跨站脚本漏洞，该漏洞源于应用程序在日志界面中不安全地渲染用户控制的输入，如果日志数据中存在任何存储型跨站脚本有效载荷，它将在没有适当输出编码的情况下被渲染，导致盲跨站脚本攻击。

CVSS 9.1 · Critical EPSS 0.46% · P38

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-34560

Vulnerability Information
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Vulnerability Title
CI4MS: Logs Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
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. Prior to version 0.31.0.0, the application renders user-controlled input unsafely within the logs interface. If any stored XSS payload exists within logged data, it is rendered without proper output encoding. This issue becomes a Blind XSS scenario because the attacker does not see immediate execution. Instead, the payload is stored within application logs and only executes later when an administrator views the logs page. This issue has been patched in version 0.31.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
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 0.31.0.0之前版本存在跨站脚本漏洞，该漏洞源于应用程序在日志界面中不安全地渲染用户控制的输入，如果日志数据中存在任何存储型跨站脚本有效载荷，它将在没有适当输出编码的情况下被渲染，导致盲跨站脚本攻击。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
ci4-cms-erp ci4ms < 0.31.0.0 -

II. Public POCs for CVE-2026-34560

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Qwen3.6-35B-A3B · 12345 chars
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III. Intelligence Information for CVE-2026-34560

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Vendor Advisories for CVE-2026-34560 (1)

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-2026-34559 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-2026-34562 4.7 MEDIUM CI4MS: System Settings (Company Information) Full Platform Compromise & Full Account Takeo
CVE-2026-34561 4.7 MEDIUM CI4MS: System Settings (Social Media Management) Full Platform Compromise & Full Account T

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-34560

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