CVE-2025-68531

8.8 HIGH

📋 TL;DR

This CVE describes a PHP object injection vulnerability in the ModelTheme Addons for WPBakery and Elementor WordPress plugin. Attackers can exploit insecure deserialization of untrusted data to execute arbitrary code on affected WordPress sites. All WordPress installations using vulnerable versions of this plugin are affected.

💻 Affected Systems

Products:
  • ModelTheme Addons for WPBakery and Elementor WordPress plugin
Versions: All versions before 1.5.6
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress with WPBakery or Elementor page builders installed.

⚠️ 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

Remote code execution leading to complete site compromise, data theft, malware installation, or site defacement.

🟠

Likely Case

Arbitrary code execution with the privileges of the web server user, potentially leading to backdoor installation and data exfiltration.

🟢

If Mitigated

Limited impact if proper input validation and output encoding are implemented, though deserialization vulnerabilities remain dangerous.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Deserialization vulnerabilities typically have low exploitation complexity once the attack vector is identified.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.5.6

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/modeltheme-addons-for-wpbakery/vulnerability/wordpress-modeltheme-addons-for-wpbakery-and-elementor-plugin-1-5-6-php-object-injection-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'ModelTheme Addons for WPBakery and Elementor'. 4. Click 'Update Now' if update is available. 5. Alternatively, download version 1.5.6+ from WordPress repository and manually update.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily deactivate the plugin until patched

wp plugin deactivate modeltheme-addons-for-wpbakery

Restrict plugin access

all

Use web application firewall to block requests to vulnerable endpoints

🧯 If You Can't Patch

  • Remove the plugin completely if not essential
  • Implement strict input validation and sanitization for all user inputs

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for 'ModelTheme Addons for WPBakery and Elementor' version

Check Version:

wp plugin get modeltheme-addons-for-wpbakery --field=version

Verify Fix Applied:

Verify plugin version is 1.5.6 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unusual POST requests to plugin endpoints
  • PHP deserialization errors in logs
  • Unexpected file creation/modification

Network Indicators:

  • HTTP requests containing serialized PHP objects
  • Traffic to known exploit patterns

SIEM Query:

source="wordpress.log" AND ("modeltheme-addons" OR "deserialization" OR "unserialize")

🔗 References

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