CVE-2025-48136 – This vulnerability allows attackers to include ... (How to Fix)

Q: What is the severity of CVE-2025-48136?

CVE-2025-48136 has a CVSS score of 7.5 (HIGH). This vulnerability allows attackers to include local files on the server through improper filename control in PHP's include/require statements. It affects WordPress sites using the Estatik Mortgage Calculator plugin. Attackers can potentially read sensitive files or execute code depending on server configuration.

📋 TL;DR

This vulnerability allows attackers to include local files on the server through improper filename control in PHP's include/require statements. It affects WordPress sites using the Estatik Mortgage Calculator plugin. Attackers can potentially read sensitive files or execute code depending on server configuration.

💻 Affected Systems

Products:

Estatik Mortgage Calculator WordPress Plugin

Versions: n/a through 2.0.12

Operating Systems: Any OS running PHP

Default Config Vulnerable: ⚠️ Yes

Notes: Requires WordPress installation with vulnerable plugin version. PHP configuration (allow_url_include) may affect exploitability.

📦 What is this software?

Mortgage Calculator by Estatik

View all CVEs affecting Mortgage Calculator →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Remote code execution leading to complete server compromise, data theft, and website defacement.

🟠

Likely Case

Sensitive file disclosure (configuration files, database credentials, user data) and limited file system access.

🟢

If Mitigated

Limited impact if proper file permissions and web server configurations restrict access to sensitive directories.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

Simple HTTP requests can trigger the vulnerability. Public exploit details available in security advisories.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.0.13 or later

Vendor Advisory: https://patchstack.com/database/wordpress/plugin/estatik-mortgage-calculator/vulnerability/wordpress-mortgage-calculator-estatik-2-0-12-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 'Mortgage Calculator Estatik'. 4. Click 'Update Now' if available. 5. If no update appears, manually download version 2.0.13+ from WordPress.org and replace plugin files.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily disable the Estatik Mortgage Calculator plugin until patched

wp plugin deactivate estatik-mortgage-calculator

Restrict PHP include paths

linux

Configure PHP to restrict file inclusion to specific directories

php_admin_value open_basedir "/var/www/html:/tmp"

🧯 If You Can't Patch

Implement web application firewall (WAF) rules to block file inclusion patterns
Restrict file permissions and implement strict directory traversal protections

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin → Plugins → Installed Plugins for 'Mortgage Calculator Estatik' version ≤2.0.12

Check Version:

wp plugin get estatik-mortgage-calculator --field=version

Verify Fix Applied:

Confirm plugin version is 2.0.13 or higher in WordPress admin panel

📡 Detection & Monitoring

Log Indicators:

Unusual file paths in PHP error logs
Multiple requests to plugin endpoints with file path parameters

Network Indicators:

HTTP requests containing '../' patterns or local file paths to plugin endpoints

SIEM Query:

source="web_logs" AND (uri="*wp-content/plugins/estatik-mortgage-calculator/*" AND (param="*../*" OR param="*file=*"))

📊 Metadata

CVE ID: CVE-2025-48136

CVSS v3 Score: 7.5 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CWE: CWE-98

EPSS Score: 0.16% exploit probability (36.5th percentile)

Published: May 16, 2025

Last Updated: May 30, 2025

🔗 References

https://patchstack.com/database/wordpress/plugin/estatik-mortgage-calculator/vulnerability/wordpress-mortgage-calculator-estatik-2-0-12-local-file-inclusion-vulnerability?_s_id=cve Third Party Advisory

📤 Share & Export

📄 Export Markdown 📋 Export JSON

🔗 Related Vulnerabilities

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