CVE-2026-24538

7.6 HIGH

📋 TL;DR

This CVE describes a PHP Local File Inclusion vulnerability in the Omnipress WordPress plugin. Attackers can exploit improper filename control in include/require statements to read sensitive files on the server. All WordPress sites using Omnipress version 1.6.6 or earlier are affected.

💻 Affected Systems

Products:
  • Omnipress WordPress Plugin
Versions: All versions up to and including 1.6.6
Operating Systems: Any OS running PHP and WordPress
Default Config Vulnerable: ⚠️ Yes
Notes: Requires WordPress installation with Omnipress plugin enabled. PHP configuration with allow_url_include disabled does not prevent local file inclusion.

⚠️ 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 through reading sensitive files like /etc/passwd, database credentials, or executing arbitrary PHP code leading to remote code execution.

🟠

Likely Case

Information disclosure of sensitive server files, potentially exposing credentials, configuration files, or source code.

🟢

If Mitigated

Limited impact if file permissions are properly restricted and web server runs with minimal privileges.

🌐 Internet-Facing: HIGH - WordPress plugins are typically internet-facing and this vulnerability requires no authentication.
🏢 Internal Only: MEDIUM - Internal systems could still be exploited by authenticated users or through other attack vectors.

🎯 Exploit Status

Public PoC: ⚠️ Yes
Weaponized: LIKELY
Unauthenticated Exploit: ⚠️ Yes
Complexity: LOW

Simple exploitation via crafted HTTP requests. Public exploit code is available in vulnerability databases.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.6.7 or later

Vendor Advisory: https://patchstack.com/database/Wordpress/Plugin/omnipress/vulnerability/wordpress-omnipress-plugin-1-6-6-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 Omnipress plugin. 4. Click 'Update Now' if update available. 5. If no update appears, manually download version 1.6.7+ from WordPress repository and replace plugin files.

🔧 Temporary Workarounds

Disable Omnipress Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate omnipress

Restrict PHP File Functions

linux

Add PHP configuration to disable dangerous functions

Add to php.ini: disable_functions = include, require, include_once, require_once

🧯 If You Can't Patch

  • Implement web application firewall (WAF) rules to block LFI patterns in requests
  • Restrict web server user permissions to prevent reading sensitive system files

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Omnipress version. If version is 1.6.6 or lower, system is vulnerable.

Check Version:

wp plugin get omnipress --field=version

Verify Fix Applied:

Verify Omnipress plugin version is 1.6.7 or higher in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

  • HTTP requests with suspicious file paths in parameters
  • Multiple failed attempts to access /etc/passwd or other sensitive files
  • Unusual include/require errors in PHP logs

Network Indicators:

  • HTTP requests containing '../' sequences or absolute file paths
  • Requests to Omnipress endpoints with file parameters

SIEM Query:

source="web_logs" AND (uri="*omnipress*" AND (param="*../*" OR param="*/etc/*" OR param="*C:\\*"))

🔗 References

📤 Share & Export