CVE-2023-49776 – This is an unauthenticated SQL injection vulner... (How to Fix)

Q: What is the severity of CVE-2023-49776?

CVE-2023-49776 has a CVSS score of 9.3 (CRITICAL). This is an unauthenticated SQL injection vulnerability in the WordPress Sayfa Sayac plugin. Attackers can execute arbitrary SQL commands without authentication, potentially compromising the database. All WordPress sites using Sayfa Sayac plugin versions up to 2.6 are affected.

📋 TL;DR

This is an unauthenticated SQL injection vulnerability in the WordPress Sayfa Sayac plugin. Attackers can execute arbitrary SQL commands without authentication, potentially compromising the database. All WordPress sites using Sayfa Sayac plugin versions up to 2.6 are affected.

💻 Affected Systems

Products:

WordPress Sayfa Sayac plugin

Versions: All versions up to and including 2.6

Operating Systems: Any OS running WordPress

Default Config Vulnerable: ⚠️ Yes

Notes: All WordPress installations with the vulnerable plugin are affected regardless of configuration.

📦 What is this software?

Sayfa Sayac by Dmry

View all CVEs affecting Sayfa Sayac →

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete database compromise leading to data theft, privilege escalation, remote code execution, or site takeover.

🟠

Likely Case

Database information disclosure, data manipulation, or partial site compromise.

🟢

If Mitigated

Limited impact with proper input validation and database permissions, but still a serious security risk.

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ⚠️ Yes

Weaponized: LIKELY

Unauthenticated Exploit: ⚠️ Yes

Complexity: LOW

SQL injection vulnerabilities are commonly exploited and weaponized quickly due to available tools.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 2.7 or later

Vendor Advisory: https://patchstack.com/database/vulnerability/sayfa-sayac/wordpress-sayfa-sayac-plugin-2-6-unauthenticated-sql-injection-vulnerability

Restart Required: No

Instructions:

1. Log into WordPress admin panel. 2. Navigate to Plugins. 3. Find Sayfa Sayac plugin. 4. Update to version 2.7 or later. 5. Verify update completed successfully.

🔧 Temporary Workarounds

Disable vulnerable plugin

all

Temporarily disable the Sayfa Sayac plugin until patched

wp plugin deactivate sayfa-sayac

Web Application Firewall rule

all

Add WAF rule to block SQL injection attempts targeting Sayfa Sayac endpoints

🧯 If You Can't Patch

Disable the Sayfa Sayac plugin immediately
Implement strict network segmentation and limit database access

🔍 How to Verify

Check if Vulnerable:

Check WordPress admin panel > Plugins > Sayfa Sayac version. If version is 2.6 or earlier, you are vulnerable.

Check Version:

wp plugin get sayfa-sayac --field=version

Verify Fix Applied:

Verify plugin version is 2.7 or later in WordPress admin panel.

📡 Detection & Monitoring

Log Indicators:

Unusual SQL queries in database logs
Multiple failed login attempts from single IP
Unexpected plugin file modifications

Network Indicators:

SQL injection patterns in HTTP requests to WordPress endpoints
Unusual database connection patterns

SIEM Query:

source="web_server" AND ("sayfa-sayac" OR "SQL" OR "UNION" OR "SELECT" FROM) AND status=200

📊 Metadata

CVE ID: CVE-2023-49776

CVSS v3 Score: 9.3 (CRITICAL)

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

CWE: CWE-89

Published: December 20, 2023

Last Updated: November 21, 2024

🔗 References

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