CVE-2025-25125

7.1 HIGH

📋 TL;DR

A Cross-Site Request Forgery (CSRF) vulnerability in the CyrilG Fyrebox Quizzes WordPress plugin allows attackers to perform stored cross-site scripting (XSS) attacks. This affects WordPress sites using Fyrebox Quizzes plugin versions up to 2.7. Attackers can trick authenticated administrators into executing malicious actions that inject persistent scripts.

💻 Affected Systems

Products:
  • CyrilG Fyrebox Quizzes WordPress Plugin
Versions: n/a through 2.7
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with the vulnerable plugin enabled. The plugin must be active and accessible to authenticated users.

⚠️ 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 inject malicious JavaScript that steals administrator credentials, redirects users to malicious sites, or takes over the WordPress site entirely.

🟠

Likely Case

Attackers inject tracking scripts, deface content, or steal session cookies from administrators who visit compromised pages.

🟢

If Mitigated

With proper CSRF protections and content security policies, the attack surface is reduced, though the vulnerability still exists in the codebase.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires tricking an authenticated administrator into clicking a malicious link or visiting a compromised page. The CSRF leads to stored XSS payload execution.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 2.8 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/fyrebox-shortcode/vulnerability/wordpress-fyrebox-quizzes-plugin-2-7-csrf-to-stored-xss-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find 'Fyrebox Quizzes' and check if update is available. 4. Click 'Update Now' to upgrade to version 2.8 or higher. 5. Verify the update completed successfully.

🔧 Temporary Workarounds

Implement CSRF Tokens Manually

all

Add CSRF protection to plugin forms if you cannot update immediately

Disable Plugin Temporarily

WordPress

Deactivate the Fyrebox Quizzes plugin until patched

wp plugin deactivate fyrebox-shortcode

🧯 If You Can't Patch

  • Restrict plugin access to trusted administrators only using role-based access controls
  • Implement a Web Application Firewall (WAF) with CSRF and XSS protection rules

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Fyrebox Quizzes version. If version is 2.7 or lower, you are vulnerable.

Check Version:

wp plugin get fyrebox-shortcode --field=version

Verify Fix Applied:

After updating, verify the plugin version shows 2.8 or higher in the WordPress plugins list.

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to plugin admin endpoints without referrer headers
  • JavaScript injection patterns in plugin-related database entries

Network Indicators:

  • CSRF attack patterns with missing anti-CSRF tokens in requests to /wp-admin/admin-ajax.php

SIEM Query:

source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" OR plugin="fyrebox") AND (http_method="POST" AND NOT csrf_token=*)

🔗 References

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