CVE-2025-26905

7.5 HIGH

📋 TL;DR

This path traversal vulnerability in the Estatik WordPress plugin allows attackers to include arbitrary local PHP files, potentially leading to remote code execution. It affects all WordPress sites running Estatik versions up to 4.1.9. Attackers can exploit this to read sensitive files or execute malicious code on the server.

💻 Affected Systems

Products:
  • Estatik WordPress plugin
Versions: n/a through 4.1.9
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with Estatik plugin enabled. No special configuration needed.

⚠️ 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

Full server compromise via remote code execution, allowing attackers to install backdoors, steal data, or pivot to other systems.

🟠

Likely Case

Sensitive file disclosure (configuration files, database credentials) leading to data theft or further exploitation.

🟢

If Mitigated

Limited impact if proper file permissions and web server restrictions prevent access to critical system files.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

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

Exploitation requires understanding of path traversal techniques and WordPress plugin structure.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 4.2.0 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/estatik/vulnerability/wordpress-estatik-plugin-4-1-9-local-file-inclusion-vulnerability?_s_id=cve

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins > Installed Plugins. 3. Find Estatik plugin. 4. Click 'Update Now' if available. 5. Alternatively, download latest version from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable Estatik plugin

all

Temporarily disable the vulnerable plugin until patched

Web server path restrictions

web-server

Configure web server to block directory traversal attempts

# Apache: Add to .htaccess
RewriteCond %{REQUEST_URI} \.\. [NC]
RewriteRule .* - [F]

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block path traversal patterns
  • Restrict file permissions on sensitive directories and configuration files

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Installed Plugins for Estatik version 4.1.9 or earlier

Check Version:

wp plugin list --name=estatik --field=version

Verify Fix Applied:

Confirm Estatik version is 4.2.0 or later in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests containing '../' patterns to Estatik plugin endpoints
  • Unusual file access attempts in web server logs

Network Indicators:

  • HTTP requests with path traversal payloads to /wp-content/plugins/estatik/

SIEM Query:

source="web_server_logs" AND (uri="*../*" AND uri="*estatik*")

🔗 References

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