CVE-2024-46470: Codeastro Membership Management XSS Flaw

CVE-2024-46470 Overview

CVE-2024-46470 is a stored Cross-Site Scripting (XSS) vulnerability in CodeAstro Membership Management System 1.0. The flaw resides in the edit-type.php component, where the membership_type field accepts unsanitized input. Attackers can inject malicious JavaScript that executes in the browsers of users who view the affected page.

The vulnerability is tracked under CWE-79: Improper Neutralization of Input During Web Page Generation. Exploitation requires user interaction but no privileges or authentication context beyond standard application usage.

Critical Impact
Successful exploitation allows attackers to execute arbitrary JavaScript in victim browsers, enabling session theft, credential harvesting, and unauthorized actions within the Membership Management System.

Affected Products

CodeAstro Membership Management System 1.0
PHP-based deployments distributed via the CodeAstro source code package
Instances exposing the edit-type.php component to authenticated or unauthenticated users

Discovery Timeline

2024-09-27 - CVE-2024-46470 published to NVD
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-46470

Vulnerability Analysis

The vulnerability exists in the edit-type.php component of CodeAstro Membership Management System 1.0. The application accepts input into the membership_type field without applying output encoding or input sanitization. When the stored value is rendered back to the browser, the injected payload executes in the victim's session context.

Because the XSS is reflected into a context accessible by other users, the scope changes from the attacker's context to the victim's. This classifies the flaw as a scope-changing XSS, where the impact crosses the trust boundary from the attacker to the application's legitimate users.

Root Cause

The root cause is improper neutralization of user-supplied input, as described by CWE-79. The edit-type.php script writes the membership_type parameter directly into HTML output without applying functions such as htmlspecialchars() or equivalent encoding. The application also lacks input validation to reject HTML or JavaScript constructs.

Attack Vector

An attacker crafts a payload containing JavaScript and submits it through the membership_type field. The payload is stored or reflected into a page rendered to other users. When a legitimate user, including administrators, loads the page, the browser executes the attacker's script. The vulnerability requires user interaction, as a target must visit the affected page.

For technical reproduction steps, see the GitHub CVE-2024-46470 Writeup.

Detection Methods for CVE-2024-46470

Indicators of Compromise

HTTP POST requests to edit-type.php containing <script>, onerror=, onload=, or javascript: substrings in the membership_type parameter
Stored database records in the membership_type table containing HTML tags or JavaScript event handlers
Outbound requests from authenticated user sessions to attacker-controlled domains shortly after visiting membership administration pages
Session cookies or authentication tokens observed in URL query strings leaving the environment

Detection Strategies

Deploy a web application firewall (WAF) rule set that inspects form parameters for XSS signatures targeting the edit-type.php endpoint
Enable logging on the Membership Management System web server and alert on request bodies containing HTML or script syntax in administrative fields
Review stored membership type records for unexpected markup using periodic database content audits

Monitoring Recommendations

Monitor web server access logs for repeated requests to edit-type.php with suspicious payloads
Correlate browser console errors and Content Security Policy violation reports from users accessing membership administration pages
Track outbound network connections initiated from browsers of users who recently loaded the application

How to Mitigate CVE-2024-46470

Immediate Actions Required

Restrict access to edit-type.php to trusted administrators using network-level or authentication controls until a patch is applied
Deploy a WAF rule to block requests containing script tags or JavaScript event handlers in the membership_type parameter
Audit the database for existing injected payloads and remove or sanitize affected records
Rotate any session tokens, cookies, or administrator credentials that may have been exposed

Patch Information

No vendor patch is referenced in the NVD advisory at the time of the last modification date. Review the CodeAstro Membership Management System product page for updated releases. In the absence of an official fix, apply the source-level changes described in the Workarounds section.

Workarounds

Modify edit-type.php to apply htmlspecialchars($membership_type, ENT_QUOTES, 'UTF-8') before rendering the value in HTML output
Add server-side input validation that rejects non-alphanumeric characters in the membership_type field
Implement a strict Content Security Policy that disallows inline scripts and restricts script sources to trusted origins
Set the HttpOnly and Secure flags on session cookies to reduce the impact of script-based session theft

bash

# Configuration example: Apache mod_security rule to block script payloads in membership_type
SecRule ARGS:membership_type "@rx (?i)(<script|onerror=|onload=|javascript:)" \
    "id:1004647,phase:2,deny,status:403,log,msg:'XSS attempt in membership_type (CVE-2024-46470)'"

# Content Security Policy header for the application vhost
Header always set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; base-uri 'self'"