CVE-2025-58258

4.3 MEDIUM

📋 TL;DR

This CVE describes a Missing Authorization vulnerability in the nK Lazy Blocks WordPress plugin that allows attackers to exploit incorrectly configured access control security levels. It affects all WordPress sites running Lazy Blocks plugin versions up to 4.1.0, potentially allowing unauthorized access to restricted functionality.

💻 Affected Systems

Products:
  • nK Lazy Blocks WordPress Plugin
Versions: All versions up to and including 4.1.0
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Affects WordPress installations with the Lazy Blocks plugin active. Vulnerability exists in default 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 or delete blocks, alter site content, or gain administrative privileges depending on plugin configuration and WordPress setup.

🟠

Likely Case

Unauthorized users could access or modify Lazy Blocks content they shouldn't have permission to, potentially defacing pages or altering functionality.

🟢

If Mitigated

With proper WordPress user role management and minimal plugin usage, impact would be limited to specific block-related functionality.

🌐 Internet-Facing: MEDIUM
🏢 Internal Only: LOW

🎯 Exploit Status

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

Exploitation requires some WordPress knowledge and understanding of the plugin's functionality. No public exploit code available at this time.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Version 4.1.1 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/lazy-blocks/vulnerability/wordpress-lazy-blocks-plugin-4-1-0-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 'Lazy Blocks' and click 'Update Now' if available. 4. Alternatively, download version 4.1.1+ from WordPress.org and manually update.

🔧 Temporary Workarounds

Disable Lazy Blocks Plugin

WordPress

Temporarily deactivate the plugin until patched

wp plugin deactivate lazy-blocks

Restrict User Roles

WordPress

Limit WordPress user roles that can access Lazy Blocks functionality

🧯 If You Can't Patch

  • Implement strict WordPress user role management and limit administrative access
  • Use web application firewall (WAF) rules to block suspicious Lazy Blocks API requests

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Lazy Blocks → Version. If version is 4.1.0 or lower, you are vulnerable.

Check Version:

wp plugin get lazy-blocks --field=version

Verify Fix Applied:

Verify Lazy Blocks plugin version is 4.1.1 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to Lazy Blocks REST API endpoints
  • Unexpected block modifications by non-admin users

Network Indicators:

  • HTTP requests to /wp-json/lazy-blocks/* endpoints from unauthorized sources

SIEM Query:

source="wordpress.log" AND ("lazy-blocks" OR "/wp-json/lazy-blocks/") AND (user_role!="administrator" OR user_role!="editor")

🔗 References

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