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Critical

CI4MS: Company Information Public-Facing Page Full Platform Compromise & Full Account Takeover for All Roles & Privilege-Escalation via System Settings Company Information Stored DOM XSS

  • Disclosed: 06.04.2026
  • Updated: 11.10.2026 10:22

An attacker can acheive Full Account Takeover & Privilege Escalation via Stored DOM Blind XSS on public-facing landing pages through the System Settings Company Information section which allows the injection of XSS payloads

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
Composer package ci4-cms-erp/ci4ms < 0.31.2.0 0.31.2.0

References

CVSS score 9.1/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE)
CWE-79
Platform
Composer
Package
ci4-cms-erp/ci4ms
Disclosed
06.04.2026
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-5ghq-42rg-769x - CC BY 4.0

Vulnerability history: ci4-cms-erp/ci4ms

All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (36) in the archive
Total entries
36
First → latest
02.2026 05.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 19
  • High 6
  • Medium 11

Disclosures per year

Severity:
  1. CI4MS: Stored XSS in Pages Module Content via Broken html_purify Validation Rule
    High · 8.7 CVE-2026-45270 < 0.31.9.0 0.31.9.0
  2. CI4MS has Unrestricted PHP File Upload via Theme Installation that Leads to Authenticated Remote Code Execution
    High CVE-2026-41587 >= 0.26.0.0, < 0.31.7.0 0.31.7.0
  3. CI4MS Theme::upload is vulnerable to Zip Slip leading to RCE
    Critical CVE-2026-41203 < 0.31.5.0 0.31.5.0
  4. CI4MS Backup::restore is vulnerable to Zip Slip leading to RCE
    Critical CVE-2026-41202 < 0.31.5.0 0.31.5.0
  5. CI4MS Vulnerable to .env CRLF Injection via Unvalidated `host` Parameter in Install Controller
    High · 8.1 CVE-2026-39394 < 0.31.4.0 0.31.4.0
  6. CI4MS Vulnerable to Post-Installation Re-entry via Cache-Dependent Install Guard Bypass
    High · 8.1 CVE-2026-39393 < 0.31.4.0 0.31.4.0
  7. CI4MS: Company Information Public-Facing Page Full Platform Compromise & Full Account Takeover for All Roles & Privilege-Escalation via System Settings Company Information Stored DOM XSS this entry
    Critical · 9.1 CVE-2026-35035 < 0.31.2.0 0.31.2.0
  8. CI4MS: Profile & User Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.0 CVE-2026-34989 < 31.0.0.0 31.0.0.0
  9. CI4MS: Account Deactivation Module Grants Full Persistent Unauthorized Access for All‑Roles via Improper Session Invalidation (Logic Flaw)
    High · 8.8 CVE-2026-34572 < 0.31.0.0 0.31.0.0
  10. CI4MS: Stored Cross‑Site Scripting (Stored XSS) in Backend User Management Allows Session Hijacking and Full Administrative Account Compromise
    Critical · 9.9 CVE-2026-34571 < 0.31.0.0 0.31.0.0
  11. CI4MS: Account Deletion Module Grants Full Persistent Unauthorized Access for All‑Roles via Improper Session Invalidation (Logic Flaw)
    High · 8.8 CVE-2026-34570 < 0.31.0.0 0.31.0.0
  12. CI4MS: Blogs Categories Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.9 CVE-2026-34569 < 0.31.0.0 0.31.0.0
  13. CI4MS: Blogs Posts Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.1 CVE-2026-34568 < 0.31.0.0 0.31.0.0
  14. CI4MS: Blogs Posts (Categories) Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.1 CVE-2026-34567 < 0.31.0.0 0.31.0.0
  15. CI4MS: Pages Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.1 CVE-2026-34566 < 0.31.0.0 0.31.0.0
  16. CI4MS: Menu Management (Posts) Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.1 CVE-2026-34565 < 0.31.0.0 0.31.0.0
  17. CI4MS: Menu Management (Pages) Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.1 CVE-2026-34564 < 0.31.0.0 0.31.0.0
  18. CI4MS: Backup Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM Blind XSS
    Critical · 9.9 CVE-2026-34563 < 0.31.0.0 0.31.0.0
  19. CI4MS: System Settings (Social Media Management) Full Platform Compromise & Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.1 CVE-2026-34561 < 0.31.0.0 0.31.0.0
  20. CI4MS: Logs Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.1 CVE-2026-34560 < 0.31.0.0 0.31.0.0
  21. CI4MS: Blogs Tags Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.1 CVE-2026-34559 < 0.31.0.0 0.31.0.0
  22. CI4MS: Permissions Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.1 CVE-2026-34557 < 0.31.0.0 0.31.0.0
  23. CI4MS: Methods Management Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.1 CVE-2026-34558 < 0.31.0.0 0.31.0.0
  24. ci4-cms-erp/ci4ms: System Settings (Mail Settings) Full Platform Compromise & Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS
    Critical · 9.1 CVE-2026-27599 < 0.31.0.0 0.31.0.0
  25. CI4MS Vulnerable to Remote Code Execution (RCE) via Arbitrary File Creation and Save in File Editor
    Critical · 9.9 CVE-2026-25510 < 0.28.5.0 0.28.5.0

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