CVE-2025-49376

7.5 HIGH

📋 TL;DR

This CVE describes a missing authorization vulnerability in the DELUCKS SEO WordPress plugin that allows attackers to access functionality not properly constrained by access control lists. Any WordPress site running DELUCKS SEO version 2.5.9 or earlier is affected, potentially allowing unauthorized users to perform administrative actions.

💻 Affected Systems

Products:
  • DELUCKS SEO WordPress Plugin
Versions: All versions through 2.5.9
Operating Systems: Any OS running WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects WordPress installations with DELUCKS SEO plugin installed and activated.

⚠️ 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 gain administrative privileges, modify SEO settings, inject malicious content, or potentially chain with other vulnerabilities for complete site compromise.

🟠

Likely Case

Unauthorized users can modify SEO metadata, redirect settings, or access plugin functionality intended only for administrators.

🟢

If Mitigated

With proper network segmentation and least privilege principles, impact would be limited to the affected WordPress instance only.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires at least subscriber-level access to WordPress, but detailed exploit methods are not publicly documented.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.6.0 or later

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/delucks-seo/vulnerability/wordpress-delucks-seo-plugin-2-5-9-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 DELUCKS SEO and click 'Update Now'. 4. Verify update to version 2.6.0 or higher.

🔧 Temporary Workarounds

Disable DELUCKS SEO Plugin

all

Temporarily disable the vulnerable plugin until patching is possible

wp plugin deactivate delucks-seo

Restrict Plugin Access via .htaccess

linux

Add access restrictions to plugin directory

# Add to .htaccess in wp-content/plugins/delucks-seo/
Order deny,allow
Deny from all

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate WordPress instance
  • Apply principle of least privilege to all WordPress user accounts

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → DELUCKS SEO version number

Check Version:

wp plugin list --name=delucks-seo --field=version

Verify Fix Applied:

Confirm DELUCKS SEO version is 2.6.0 or higher in WordPress admin

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized POST requests to delucks-seo admin endpoints
  • User role escalation attempts in WordPress logs

Network Indicators:

  • Unusual traffic patterns to /wp-content/plugins/delucks-seo/

SIEM Query:

source="wordpress" AND (uri_path="/wp-admin/admin-ajax.php" AND plugin="delucks-seo")

🔗 References

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