CVE-2023-50853 – This SQL injection vulnerability in the Advance... (How to Fix)

Q: What is the severity of CVE-2023-50853?

CVE-2023-50853 has a CVSS score of 7.6 (HIGH). This SQL injection vulnerability in the Advanced Form Integration WordPress plugin allows attackers to execute arbitrary SQL commands on the database. It affects all WordPress sites using this plugin from any version up to 1.75.0. Successful exploitation could lead to data theft, modification, or deletion.

📋 TL;DR

This SQL injection vulnerability in the Advanced Form Integration WordPress plugin allows attackers to execute arbitrary SQL commands on the database. It affects all WordPress sites using this plugin from any version up to 1.75.0. Successful exploitation could lead to data theft, modification, or deletion.

💻 Affected Systems

Products:

Advanced Form Integration – Connect WooCommerce and Contact Form 7 to Google Sheets and other platforms

Versions: All versions up to and including 1.75.0

Operating Systems: Any OS running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: Requires WordPress installation with the vulnerable plugin activated.

📦 What is this software?

Advanced Form Integration by Advancedformintegration

View all CVEs affecting Advanced Form Integration →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise including sensitive data exfiltration, privilege escalation, or full site takeover via WordPress admin access.

🟠

Likely Case

Data theft from the WordPress database including user credentials, form submissions, and WooCommerce order information.

🟢

If Mitigated

Limited impact with proper input validation and database user permissions restricting write operations.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: LIKELY

Unauthenticated Exploit: ✅ No

Complexity: LOW

Exploitation requires some level of access to form submission functionality.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 1.75.1 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/advanced-form-integration/wordpress-advanced-form-integration-plugin-1-75-0-sql-injection-vulnerability

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins → Installed Plugins. 3. Find 'Advanced Form Integration' and click 'Update Now'. 4. Verify version is 1.75.1 or higher.

🔧 Temporary Workarounds

Disable Plugin

all

Temporarily disable the vulnerable plugin until patched

wp plugin deactivate advanced-form-integration

Web Application Firewall

all

Implement WAF rules to block SQL injection patterns

🧯 If You Can't Patch

Implement strict input validation on all form submissions
Restrict database user permissions to read-only where possible

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel → Plugins → Advanced Form Integration version

Check Version:

wp plugin get advanced-form-integration --field=version

Verify Fix Applied:

Confirm plugin version is 1.75.1 or higher after update

📡 Detection & Monitoring

Log Indicators:

Unusual SQL queries in WordPress debug logs
Multiple failed login attempts from single IP
Unexpected database errors

Network Indicators:

HTTP POST requests with SQL syntax in parameters
Unusual traffic to form submission endpoints

SIEM Query:

source="wordpress.log" AND ("SQL syntax" OR "database error" OR "wp_" AND "SELECT" AND "FROM")

📊 Metadata

CVE ID: CVE-2023-50853

CVSS v3 Score: 7.6 (HIGH)

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

CWE: CWE-89

Published: December 28, 2023

Last Updated: November 21, 2024

🔗 References

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