CVE-2025-7713: Global Interactive CMS XSS Vulnerability

CVE-2025-7713 Overview

CVE-2025-7713 is a Cross-Site Scripting (XSS) vulnerability affecting the Content Management System (CMS) developed by Global Interactive Design Media Software Inc. The vulnerability arises from improper neutralization of input during web page generation, specifically allowing XSS attacks through HTTP headers. Attackers can exploit this flaw to inject malicious scripts that execute in the context of victim users' browsers.

Critical Impact

This XSS vulnerability through HTTP headers can enable attackers to steal session cookies, redirect users to malicious sites, deface web content, or perform actions on behalf of authenticated users without their consent.

Affected Products

• Global Interactive Design Media Software Inc. Content Management System (CMS) through version 21072025

Discovery Timeline

• 2026-01-29 - CVE-2025-7713 published to NVD
• 2026-01-29 - Last updated in NVD database

Technical Details for CVE-2025-7713

Vulnerability Analysis

This vulnerability is classified under CWE-79 (Improper Neutralization of Input During Web Page Generation). The CMS fails to properly sanitize user-controllable data received through HTTP headers before rendering it in web pages. When HTTP header values are reflected in the response without adequate encoding or validation, attackers can craft malicious requests containing JavaScript payloads that execute when processed by the victim's browser.

The network-accessible nature of this vulnerability means that exploitation does not require prior authentication or user interaction in certain scenarios, making it particularly dangerous for internet-facing CMS installations.

Root Cause

The root cause of this vulnerability lies in the insufficient input validation and output encoding mechanisms within the CMS's HTTP header processing logic. The application trusts and directly incorporates header values into dynamically generated web pages without proper sanitization, creating an injection point for malicious scripts.

Attack Vector

The attack is network-based, allowing remote exploitation. An attacker can craft HTTP requests with specially designed header values containing JavaScript code. When the CMS processes these requests and reflects the header content in the response HTML, the malicious script executes in the browser context of users viewing the affected pages.

Common attack scenarios include:

• Injecting malicious payloads through custom HTTP headers that are logged and displayed in admin panels
• Exploiting headers like Referer, User-Agent, or custom application headers that are reflected in error pages or debug outputs
• Chaining with other vulnerabilities to achieve session hijacking or credential theft

Detection Methods for CVE-2025-7713

Indicators of Compromise

• Unusual JavaScript code appearing in HTTP header fields within web server logs
• Evidence of encoded script tags (<script>, %3Cscript%3E) in header values
• Unexpected outbound connections from client browsers to unknown domains after visiting the CMS
• Reports of session hijacking or unauthorized account access

Detection Strategies

• Implement web application firewall (WAF) rules to detect and block XSS payloads in HTTP headers
• Deploy intrusion detection systems (IDS) with signatures for common XSS attack patterns
• Enable detailed logging of HTTP headers and monitor for anomalous content
• Use browser-based security tools that detect and report XSS execution attempts

Monitoring Recommendations

• Monitor web server access logs for requests containing suspicious header values
• Set up alerts for HTTP headers exceeding normal length thresholds or containing script-like patterns
• Review Content Security Policy (CSP) violation reports for script injection attempts
• Implement real-time security monitoring for user session anomalies

How to Mitigate CVE-2025-7713

Immediate Actions Required

• Identify all instances of Global Interactive Design Media Software CMS in your environment
• Review the USOM Security Notification TR-26-0008 for vendor-specific guidance
• Implement a Web Application Firewall with XSS protection rules in front of affected systems
• Audit application code for HTTP header reflection points and apply input sanitization

Patch Information

Organizations should monitor vendor communications from Global Interactive Design Media Software Inc. for official security patches. The vulnerability affects CMS versions through 21072025. Refer to the USOM Security Notification TR-26-0008 for the latest patch availability and installation instructions.

Workarounds

• Deploy a reverse proxy or WAF configured to strip or sanitize potentially malicious content from HTTP headers
• Implement strict Content Security Policy (CSP) headers to prevent inline script execution
• Disable or restrict debug and error pages that may reflect HTTP header content
• Apply output encoding to all dynamic content rendered from HTTP headers
• Consider network segmentation to limit exposure of vulnerable CMS instances

# Example CSP header configuration for Apache
# Add to .htaccess or httpd.conf
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; frame-ancestors 'self';"
Header set X-XSS-Protection "1; mode=block"
Header set X-Content-Type-Options "nosniff"