---
title: "CVE-2026-35035: 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"
url: https://erroneo.us/security/cve/CVE-2026-35035/
description: "CVE-2026-35035 (ci4-cms-erp/ci4ms (Composer (PHP))): CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with…"
type: vulnerability-record
section: "Security Digest"
date_published: 2026-04-06
date_modified: 2026-04-30
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2026-35035"
kev: false
cvss: 7.2
epss: 0.00558
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2026-35035: 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

**Signal:** Normal patch cycle. No exploitation signal; fix it in your next routine update if you are affected. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Not in CISA KEV , but CISA’s SSVC assessment records a public proof-of-concept, so attack code exists.
- EPSS 0.6% , percentile 46: FIRST’s model estimates a 0.6% chance of exploitation activity in the next 30 days, higher than 46% of all scored CVEs (low). EPSS is a probability, not a verdict.
- Needs an account (high (admin)). Exposure depends on who can log in.
- Only applies if your dependency tree includes ci4-cms-erp/ci4ms (Composer (PHP)) <= 0.31.1.0, fixed in 0.31.2.0 . Check your lockfile, including transitive dependencies.

## What it is

CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to 0.31.2.0, 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. These values are persisted in the database and rendered unsafely on public-facing pages only, such as the main landing page. There is no execution in the administrative dashboard—the vulnerability only impacts the public frontend. This vulnerability is fixed in 0.31.2.0.

## Affected packages

- Composer (PHP) `ci4-cms-erp/ci4ms` <= 0.31.1.0 → fixed: 0.31.2.0

## Affected products (CVE record)

- ci4-cms-erp ci4ms: < 0.31.2.0

## Severity

- GitHub_M CVSS 3.1: 7.2 `CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`
- GitHub CVSS 3.1: 9.1 `CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H`

## Exploitation

- CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
- CISA SSVC assessment: exploitation poc , automatable no , technical impact total .
- FIRST EPSS (model of 2026-10-21): 0.56% probability of exploitation activity in the next 30 days; percentile 46.

## Sources

- [GitHub Advisory GHSA-5ghq-42rg-769x](https://github.com/advisories/GHSA-5ghq-42rg-769x)
- [CVE.org record CVE-2026-35035](https://www.cve.org/CVERecord?id=CVE-2026-35035)
- [NVD entry CVE-2026-35035](https://nvd.nist.gov/vuln/detail/CVE-2026-35035)
- [github.com](https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-5ghq-42rg-769x)
- [github.com](https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.2.0)

---
Source page: https://erroneo.us/security/cve/CVE-2026-35035/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt