Categories: Wordpress

WordPress 4.8.3 released with patch for SQL injection (SQLi) which affected all the previous version

WordPress 4.8.3 released with the security patches for all previous versions. The update includes the issue with $wpdb->prepare() which leads to an SQL injection.

SQL injection is a technique which attacker takes non-validated input vulnerabilities and inject SQL commands through web applications that are executed in the backend database.To read more about SQLi.

Must Read Most Important Considerations Check to Setup Your WordPress Security

$wpdb->prepare() can create unexpected and unsafe queries leading to potential SQL injection (SQLi) and the new release includes change in behaviour for the esc_sql() function.

WordPress core is not directly vulnerable to this issue, but we’ve added hardening to prevent plugins and themes from accidentally causing a vulnerability. Reported by Anthony Ferrara.Wordpress reported.

Files Revised

wp-admin/about.php
wp-includes/formatting.php
wp-includes/post.php
wp-includes/wp-db.php
wp-includes/version.php
wp-content/plugins

Must Read Penetration testing with your WordPress Website-Detailed Explanation

Mitigations

WordPress 4.8.3 released with the security patches users are recommended to update their sites immediately.

How to update – Wordpress 4.8.3

WordPress 4.8.3 contains 29 maintenance fixes to the 4.8 release series. Updates are simple Dashboard >> Updates >> Update Now.

It is always a good idea to backup your WordPress before proceeding with the update, if there are any issues, you can restore your website.

Gurubaran

Gurubaran is a co-founder of Cyber Security News and GBHackers On Security. He has 10+ years of experience as a Security Consultant, Editor, and Analyst in cybersecurity, technology, and communications.

Recent Posts

White House Considers Oracle-Led Takeover of TikTok with U.S. Investors

In a significant development, the Trump administration is reportedly formulating a plan to prevent a…

9 hours ago

Critical Vulnerability in IBM Security Directory Enables Session Cookie Theft

IBM has announced the resolution of several security vulnerabilities affecting its IBM Security Directory Integrator…

10 hours ago

Critical Apache Solr Vulnerability Grants Write Access to Attackers on Windows

A new security vulnerability has been uncovered in Apache Solr, affecting versions 6.6 through 9.7.0.…

10 hours ago

GitHub Vulnerability Exposes User Credentials via Malicious Repositories

A cybersecurity researcher recently disclosed several critical vulnerabilities affecting Git-related projects, revealing how improper handling…

10 hours ago

Critical Isolation Vulnerability in Intel Trust Domain Extensions Exposes Sensitive Data

Researchers from IIT Kharagpur and Intel Corporation have identified a significant security vulnerability in Intel…

10 hours ago

Burp Suite 2025.1 Released, What’s New!

Burp Suite 2025.1, is packed with new features and enhancements designed to improve your web…

14 hours ago