CVE-2025-10837: Simple Food Ordering System XSS Vulnerability

CVE-2025-10837 Overview

CVE-2025-10837 is a reflected cross-site scripting (XSS) vulnerability in code-projects Simple Food Ordering System 1.0. The flaw resides in the /ordersimple/order.php script, where the ID parameter is reflected into the response without sanitization or output encoding. Attackers can inject arbitrary JavaScript that executes in the victim's browser session when a crafted URL is visited. The issue has been disclosed publicly, and exploitation can be conducted remotely. The vulnerability is tracked under CWE-79: Improper Neutralization of Input During Web Page Generation.

Critical Impact
Remote attackers can execute arbitrary scripts in an authenticated user's browser, enabling session hijacking, credential theft, or unauthorized actions in the ordering application.

Affected Products

code-projects Simple Food Ordering System 1.0
Vendor: Fabian
Vulnerable component: /ordersimple/order.php (ID parameter)

Discovery Timeline

2025-09-23 - CVE-2025-10837 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2025-10837

Vulnerability Analysis

The vulnerability is a reflected XSS flaw in the order.php endpoint of the Simple Food Ordering System. User-supplied input passed through the ID GET parameter is embedded directly into the HTTP response without proper output encoding or input validation. When a victim clicks a crafted link, the payload renders in their browser under the origin of the vulnerable application.

Because the attack requires user interaction and low-privilege authentication, and because only integrity is affected at a limited scope, the overall risk is bounded. However, a successful attack can still lead to session token exfiltration, defacement of dynamic content, or client-side redirection to attacker-controlled infrastructure.

Root Cause

The root cause is missing neutralization of special HTML and JavaScript characters in the ID request parameter before reflection into the server's HTML response. The application concatenates untrusted input into markup without applying context-aware escaping such as htmlspecialchars() in PHP.

Attack Vector

An attacker crafts a URL to /ordersimple/order.php containing a malicious payload in the ID parameter and delivers it via phishing, chat, or a malicious page. When an authenticated user opens the URL, the injected script executes in their browser. See the GitHub CVE XSS Analysis and VulDB entry #325194 for public technical details.

No verified proof-of-concept code is included here. Refer to the published references for reproduction details.

Detection Methods for CVE-2025-10837

Indicators of Compromise

Web server access logs containing requests to /ordersimple/order.php with ID parameter values including <script>, onerror=, javascript:, or URL-encoded equivalents such as %3Cscript%3E.
Referrer headers pointing to unfamiliar external domains alongside suspicious ID values.
Unexpected outbound requests from user browsers to attacker-controlled hosts shortly after visiting the ordering application.

Detection Strategies

Deploy a Web Application Firewall (WAF) rule set that inspects the ID query parameter for HTML tags, event handlers, and script keywords.
Enable server-side logging of full query strings and periodically hunt for XSS payload signatures in HTTP logs.
Perform authenticated dynamic application security testing (DAST) against order.php to confirm reflection of unsafe input.

Monitoring Recommendations

Alert on repeated 200-OK responses to order.php with unusually long or encoded ID parameters.
Monitor browser Content Security Policy (CSP) violation reports if a policy is deployed.
Correlate suspicious HTTP request patterns with subsequent authentication anomalies, session resets, or account changes.

How to Mitigate CVE-2025-10837

Immediate Actions Required

Restrict public access to the Simple Food Ordering System 1.0 instance until remediation is applied.
Apply server-side input validation and output encoding for the ID parameter in /ordersimple/order.php.
Invalidate active user sessions and rotate any secrets or tokens that may have been exposed through browser-side attacks.

Patch Information

No official vendor patch has been published for code-projects Simple Food Ordering System 1.0 at the time of this writing. Administrators should apply source-level fixes by escaping the ID parameter with htmlspecialchars($_GET['ID'], ENT_QUOTES, 'UTF-8') before reflecting it into HTML, and by casting numeric identifiers to integers where applicable. Track updates through the Code Projects Resource Hub and VulDB advisory #325194.

Workarounds

Deploy a WAF signature to block requests where the ID parameter contains HTML tags, event handlers, or script keywords.
Enforce a strict Content Security Policy that disallows inline scripts and restricts script sources to trusted origins.
Set cookies with HttpOnly and SameSite=Strict attributes to reduce the impact of session-stealing payloads.
Restrict access to the application to trusted networks or authenticated administrative users while a permanent fix is developed.

bash

# Example ModSecurity rule to block script tags in the ID parameter
SecRule ARGS:ID "@rx (?i)(<script|onerror=|javascript:|%3Cscript)" \
    "id:1010837,phase:2,deny,status:403,log,msg:'CVE-2025-10837 XSS attempt in ID parameter'"