CVE-2025-7567: ShopXO Cross Site Scripting Vulnerability

CVE-2025-7567 Overview

CVE-2025-7567 is a cross-site scripting (XSS) vulnerability affecting ShopXO versions up to 6.5.0. The flaw resides in the header.html file, where the lang and system_type arguments are not properly sanitized before being rendered. An attacker can inject arbitrary script content that executes in the context of a victim's browser session. The vulnerability is exploitable remotely and requires user interaction to trigger. Public disclosure has occurred, and exploit details are available through VulDB #316265 and the GitHub Issue Report.

Critical Impact
Successful exploitation enables session hijacking, credential theft, and unauthorized actions performed under the identity of authenticated ShopXO users.

Affected Products

ShopXO up to and including version 6.5.0
Deployments exposing the header.html template rendering path
E-commerce sites running unpatched ShopXO instances

Discovery Timeline

2025-07-14 - CVE-2025-7567 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-7567

Vulnerability Analysis

CVE-2025-7567 is classified under [CWE-79] Improper Neutralization of Input During Web Page Generation. The vulnerability affects the header.html template component in ShopXO, an open-source e-commerce platform. The lang and system_type request parameters flow into the rendered HTML output without adequate encoding. An attacker crafts a URL containing malicious JavaScript payloads in these parameters. When a victim clicks the link and the page renders, the injected script executes within the browser context of the ShopXO application. This enables theft of session cookies, execution of authenticated actions, and modification of page content shown to the victim.

Root Cause

The root cause is missing output encoding when the lang and system_type arguments are inserted into the header.html template. User-controlled values are reflected into the response without HTML entity encoding or context-aware sanitization, allowing script tags and event handlers to break out of the intended data context.

Attack Vector

The attack is network-based and requires user interaction. An attacker crafts a URL targeting a vulnerable ShopXO endpoint with malicious payloads inserted into the lang or system_type parameters. The attacker distributes this URL through phishing emails, malicious advertisements, or social engineering. When a logged-in ShopXO user visits the URL, the reflected payload executes in their browser.

No verified proof-of-concept code is published. Refer to the GitHub Issue Report for reproduction details.

Detection Methods for CVE-2025-7567

Indicators of Compromise

HTTP requests to ShopXO endpoints containing <script>, javascript:, or event handler strings within the lang or system_type parameters
Outbound requests from client browsers to attacker-controlled domains immediately after visiting ShopXO pages
Anomalous session activity such as new administrative actions from geographically unusual IPs

Detection Strategies

Deploy web application firewall rules that inspect query strings for XSS payload patterns targeting lang and system_type parameters
Review ShopXO access logs for URL-encoded script tags, onerror=, onload=, and other injection primitives
Correlate authentication events with unusual referrer headers pointing to external phishing infrastructure

Monitoring Recommendations

Enable full HTTP request logging on ShopXO web servers, capturing query parameters for forensic review
Monitor Content Security Policy (CSP) violation reports for blocked inline script execution attempts
Alert on repeated 4xx responses that contain suspicious parameter values, indicating scanning activity

How to Mitigate CVE-2025-7567

Immediate Actions Required

Restrict public access to ShopXO administrative interfaces using IP allow-lists until a fix is applied
Deploy WAF signatures blocking XSS payloads in the lang and system_type parameters
Instruct administrators and staff to avoid clicking untrusted links referencing the ShopXO domain

Patch Information

No official vendor patch is referenced in the enriched data at time of publication. Track the upstream ShopXO GitHub Issue and VulDB entry 316265 for updates on a fixed release beyond version 6.5.0.

Workarounds

Implement a strict Content Security Policy that disallows inline scripts and restricts script sources to trusted origins
Apply server-side input validation and HTML entity encoding to the lang and system_type parameters before template rendering
Enable HttpOnly and Secure attributes on session cookies to limit impact of successful script execution

bash

# Example Content-Security-Policy header to mitigate reflected XSS
add_header Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; base-uri 'self'; frame-ancestors 'none'";
add_header X-XSS-Protection "1; mode=block";
add_header X-Content-Type-Options "nosniff";