CVE-2025-11733

7.2 HIGH

📋 TL;DR

The Footnotes Made Easy WordPress plugin has a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts into plugin settings. These scripts execute whenever users view affected pages, potentially compromising visitor browsers. All WordPress sites using this plugin up to version 3.0.7 are affected.

💻 Affected Systems

Products:
  • WordPress Footnotes Made Easy plugin
Versions: All versions up to and including 3.0.7
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All WordPress installations with vulnerable plugin versions are affected regardless of configuration.

⚠️ 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, hijack user sessions, redirect visitors to malicious sites, or deploy malware through compromised WordPress sites.

🟠

Likely Case

Attackers inject malicious JavaScript to steal session cookies, redirect users to phishing pages, or deface website content.

🟢

If Mitigated

With proper web application firewalls and content security policies, script execution could be blocked, limiting impact to script injection without execution.

🌐 Internet-Facing: HIGH
🏢 Internal Only: LOW

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

The vulnerability requires no authentication and exploitation is straightforward via plugin settings.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 3.0.8 or later

Vendor Advisory: https://plugins.trac.wordpress.org/browser/footnotes-made-easy/tags/3.0.8/

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Footnotes Made Easy' and click 'Update Now'. 4. Verify update to version 3.0.8 or later.

🔧 Temporary Workarounds

Disable plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate footnotes-made-easy

Apply WAF rules

all

Configure web application firewall to block XSS payloads targeting plugin endpoints

🧯 If You Can't Patch

  • Remove the Footnotes Made Easy plugin completely
  • Implement Content Security Policy headers to restrict script execution

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Footnotes Made Easy → Version number

Check Version:

wp plugin get footnotes-made-easy --field=version

Verify Fix Applied:

Verify plugin version is 3.0.8 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to /wp-admin/admin.php?page=footnotes-made-easy
  • JavaScript payloads in plugin setting submissions

Network Indicators:

  • Malicious script tags in HTTP responses from WordPress pages

SIEM Query:

source="wordpress.log" AND ("footnotes-made-easy" OR "admin.php?page=footnotes-made-easy") AND ("script" OR "javascript" OR "onload" OR "onerror")

🔗 References

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