CI4MS: System Settings (Social Media Management) Full Platform Compromise & Full Account Takeover for All-Roles & Privilege-Escalation via Stored DOM XSS

The XSS vulnerability in ci4-cms-erp/ci4ms allows an attacker to inject arbitrary JavaScript code into the application. This code executes within the context of the user's browser, potentially enabling the attacker to steal session cookies, redirect users to malicious websites, or deface the application. The stored nature of the vulnerability means the injected payload persists, potentially affecting multiple users who visit the affected page. Successful exploitation could lead to complete account compromise and data exfiltration, similar to other XSS attacks targeting CMS platforms.

Organizations using ci4-cms-erp/ci4ms for their ERP and CMS needs, particularly those relying on the Social Media Management features, are at risk. Shared hosting environments where multiple users share the same instance of ci4-cms-erp/ci4ms are especially vulnerable, as an attacker could potentially compromise the entire hosting environment through this vulnerability.

• php: Examine the System Settings – Social Media Management section for suspicious JavaScript code injected into the Social Media and Social Media Link fields. Use grep to search for common XSS payloads (e.g., <script>, onload=, javascript:) within the configuration files.

grep -r '<script' /path/to/ci4ms/config/social_media.php

• generic web: Monitor access logs for unusual requests targeting the social media configuration endpoints. Look for requests containing suspicious characters or patterns indicative of XSS attempts.

curl -s 'http://your-ci4ms-site.com/system/settings/social_media?social_media=<script>alert(1)</script>' > /dev/null 2>&1

1. 2026-04-01Disclosure

   disclosure

1. आरक्षित2026-03-30
2. प्रकाशित2026-04-01
3. संशोधित2026-04-06
4. EPSS अद्यतन2026-04-09

The primary mitigation for CVE-2026-34561 is to upgrade ci4-cms-erp/ci4ms to version 31.0.0 or later. If an immediate upgrade is not feasible, consider implementing temporary workarounds. Input validation and output encoding should be applied to all user-supplied data within the System Settings – Social Media Management section. Web Application Firewalls (WAFs) configured to detect and block XSS payloads can also provide a layer of protection. Review and update any existing input sanitization routines to ensure they are robust and effective. After upgrading, confirm the vulnerability is resolved by attempting to inject a simple XSS payload into the Social Media configuration fields and verifying that it is properly sanitized.

अंतिम अपडेट

0.31.9हाल ही में