What Happened? A recent Apache update has sent shockwaves through the web hosting community, especially for systems where NGINX is used as a reverse proxy in front of Apache. Overnight, many websites, particularly those running on Plesk for Linux with the popular NGINX-Apache stack, became inaccessible, all due to a cryptic error: 421 Misdirected Request Why Is This Happening? […]

Web applications typically use authentication mechanisms to prevent unauthorized users from accessing protected resources. However, attackers often search for weaknesses in these systems, with username enumeration being a common method to identify valid usernames in a system. This article will discuss various ways to identify valid usernames on any WordPress website, along with tips to […]

SQL injection remains a critical vulnerability in web applications. One common type is the UNION-based SQL injection attack. This article explores how attackers exploit this vulnerability and offers practical prevention tips. What is SQL Injection? SQL injection is a technique where attackers manipulate SQL queries. By injecting malicious SQL code into input fields, they can […]

OAuth has become a widely adopted standard for authorization. However, its implementation can lead to vulnerabilities. Recently, an OAuth brute force attack was intercepted, raising concerns among developers and security professionals alike. The Nature of OAuth Brute Force Attacks Brute force attacks aim to guess passwords or tokens by trying numerous combinations until the correct […]

Backdoor vulnerabilities represent a significant threat to web application security. These vulnerabilities often allow unauthorized access to a system, bypassing standard authentication measures. Cybercriminals exploit them to install malicious software or steal sensitive data. What is a Backdoor? A backdoor is a method of bypassing normal authentication in a computer system. It provides remote access […]

The rise of botnets and their impact on cybersecurity cannot be overstated. Recently, security researchers identified an SMTP connection attempt from the 1cgrup.com zombie network. This incident highlights the ongoing risks associated with infected remote hosts trying to connect to servers on known SMTP ports. What Happened? Researchers observed that a significant number of remote […]

WordPress is one of the most popular content management systems (CMS) globally. Its vast ecosystem of plugins and themes makes it highly customizable. However, this flexibility also opens the door to vulnerabilities. Attackers can exploit these weaknesses, leading to serious security incidents. Common Exploits and Their Impact One common method attackers use involves sending a […]

The Joomla! AdsManager plugin has been identified to contain a critical file upload vulnerability. This issue allows attackers to upload malicious files, potentially leading to a compromise of the website. Understanding this vulnerability is crucial for Joomla! users and developers who rely on this popular plugin. Vulnerability Overview The vulnerability arises from improper validation of […]

The Joomla! contact form module has been identified as a potential weak point in website security. This vulnerability allows attackers to exploit the contact form and send spam emails, turning the form into an open relay email server. Understanding this issue is critical for website owners who rely on the Joomla! platform. What is the […]