CVE-2025-22280

7.6 HIGH

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the revmakx DefendWP Firewall WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. Attackers could bypass intended restrictions and perform unauthorized actions. All WordPress sites using DefendWP Firewall versions up to and including 1.1.0 are affected.

💻 Affected Systems

Products:
  • revmakx DefendWP Firewall WordPress Plugin
Versions: n/a through 1.1.0
Operating Systems: All platforms running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: All installations of affected versions are vulnerable 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 modify firewall settings, disable security protections, or gain administrative access to the WordPress site, potentially leading to complete site compromise.

🟠

Likely Case

Attackers could bypass security restrictions, modify firewall rules, or access protected administrative functions without proper authorization.

🟢

If Mitigated

With proper access controls and authentication checks, the vulnerability would be prevented, maintaining normal security functionality.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires some understanding of WordPress plugin structure and access control mechanisms.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version after 1.1.0

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/defend-wp-firewall/vulnerability/wordpress-defendwp-firewall-plugin-1-1-0-broken-access-control-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find DefendWP Firewall. 4. Click 'Update Now' if update available. 5. If no update available, deactivate and remove plugin immediately.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched version is available

wp plugin deactivate defend-wp-firewall

Restrict Admin Access

all

Limit access to WordPress admin area to trusted IP addresses only

🧯 If You Can't Patch

  • Remove the DefendWP Firewall plugin completely from your WordPress installation
  • Implement web application firewall (WAF) rules to monitor and block suspicious access to plugin endpoints

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for DefendWP Firewall version 1.1.0 or earlier

Check Version:

wp plugin list --name=defend-wp-firewall --field=version

Verify Fix Applied:

Verify plugin version is greater than 1.1.0 in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to DefendWP Firewall admin endpoints
  • Unusual modification of firewall settings

Network Indicators:

  • HTTP requests to /wp-content/plugins/defend-wp-firewall/ with admin parameters from unauthorized sources

SIEM Query:

source="wordpress.log" AND ("defend-wp-firewall" OR "DefendWP") AND ("admin" OR "settings" OR "update") AND status=200

🔗 References

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