CVE-2025-47475

6.5 MEDIUM

📋 TL;DR

This stored cross-site scripting (XSS) vulnerability in JupiterX Core WordPress plugin allows attackers to inject malicious scripts into web pages that are then executed when other users view those pages. All WordPress sites using JupiterX Core versions up to 4.8.11 are affected. Attackers can steal session cookies, redirect users, or perform actions on their behalf.

💻 Affected Systems

Products:
  • JupiterX Core WordPress Plugin
Versions: All versions up to and including 4.8.11
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with JupiterX Core plugin enabled. The vulnerability exists in the plugin's input handling during web page generation.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could steal administrator session cookies, take over the WordPress site, install backdoors, deface the website, or use the compromised site to attack visitors.

🟠

Likely Case

Attackers inject malicious JavaScript to steal user session cookies, redirect users to phishing sites, or perform actions as authenticated users.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts would be neutralized before being stored or displayed to users.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Stored XSS typically requires some level of access to input fields, but complexity is low once access is obtained. No public exploit code has been identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.8.12 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/jupiterx-core/vulnerability/wordpress-jupiterx-core-4-8-11-cross-site-scripting-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find JupiterX Core and click 'Update Now'. 4. Alternatively, download version 4.8.12+ from WordPress.org and manually update via FTP.

🔧 Temporary Workarounds

Input Sanitization Filter

all

Add custom input sanitization filters to neutralize malicious scripts before processing

// Add to theme's functions.php or custom plugin
add_filter('preprocess_comment', 'sanitize_jupiterx_input');
function sanitize_jupiterx_input($data) {
    $data['comment_content'] = wp_kses_post($data['comment_content']);
    return $data;
}

Content Security Policy

linux

Implement CSP headers to restrict script execution sources

# Add to .htaccess for Apache
Header set Content-Security-Policy "default-src 'self'; script-src 'self' 'unsafe-inline' https://trusted.cdn.com;"

🧯 If You Can't Patch

  • Disable JupiterX Core plugin temporarily until patched
  • Implement web application firewall (WAF) rules to block XSS payloads

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for JupiterX Core version

Check Version:

wp plugin list --name=jupiterx-core --field=version

Verify Fix Applied:

Verify JupiterX Core version is 4.8.12 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to JupiterX endpoints with script tags
  • Multiple failed XSS attempts in web server logs

Network Indicators:

  • HTTP requests containing <script> tags to JupiterX endpoints
  • Unexpected JavaScript in HTTP responses

SIEM Query:

source="web_server" AND ("<script" OR "javascript:") AND uri_path="/wp-admin/admin-ajax.php" AND "action=jupiterx"

🔗 References

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