CVE-2025-58264

6.5 MEDIUM

📋 TL;DR

A stored cross-site scripting (XSS) vulnerability in the JupiterX Core WordPress plugin allows attackers to inject malicious scripts into web pages. When users view compromised pages, the scripts execute in their browsers, potentially stealing credentials or performing unauthorized actions. This affects all WordPress sites using JupiterX Core versions up to 4.10.1.

💻 Affected Systems

Products:
  • JupiterX Core WordPress Plugin
Versions: All versions up to and including 4.10.1
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with JupiterX Core plugin enabled are vulnerable by default. No special configuration required.

⚠️ 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 credentials, take over the WordPress site, deface content, or redirect users to malicious sites, potentially leading to complete site compromise and data theft.

🟠

Likely Case

Attackers inject malicious JavaScript to steal user session cookies or credentials, potentially gaining unauthorized access to user accounts or performing actions on their behalf.

🟢

If Mitigated

With proper input validation and output encoding, malicious scripts would be neutralized before reaching users, preventing execution and limiting impact to data integrity issues only.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires the ability to inject malicious input into web page content, typically through authenticated user input fields. The vulnerability is stored/persistent, meaning injected scripts remain until removed.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 4.10.2 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/jupiterx-core/vulnerability/wordpress-jupiterx-core-plugin-4-10-1-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' if available. 4. Alternatively, download version 4.10.2+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Temporary Plugin Deactivation

WordPress

Disable the JupiterX Core plugin until patched. This will break JupiterX theme functionality but prevent exploitation.

wp plugin deactivate jupiterx-core

🧯 If You Can't Patch

  • Implement a Web Application Firewall (WAF) with XSS protection rules to block malicious payloads.
  • Enable Content Security Policy (CSP) headers to restrict script execution sources and mitigate impact.

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin > Plugins > Installed Plugins for JupiterX Core version. If version is 4.10.1 or lower, you are vulnerable.

Check Version:

wp plugin get jupiterx-core --field=version

Verify Fix Applied:

After updating, verify JupiterX Core version shows 4.10.2 or higher in WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to JupiterX-related endpoints with script tags or JavaScript payloads in parameters
  • Multiple failed login attempts following suspicious content updates

Network Indicators:

  • HTTP requests containing <script> tags or JavaScript in JupiterX plugin parameters
  • Unexpected outbound connections from user browsers after visiting JupiterX pages

SIEM Query:

source="wordpress.log" AND ("jupiterx" OR "jupiter-x") AND ("<script>" OR "javascript:" OR "onload=" OR "onerror=")

🔗 References

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