Author Archives Netsparker Security Team

This article examines the latest attack vector to surface: using Google Bots. It examines how search engines sue bots to help index websites, explains how such attacks happen and how to counter them. Code samples are included. Read More

This blog examines incorrect CSP implementations on the New Yorker and Blogger, common issues in CSP implementations and solutions, how to determine if your CSP implementation is problematic and how to test it with the Report Only monitoring mode. It also lists CSP directives and their keywords, and how to use CSP correctly. Read More

Can private data be stolen by employing a CSS Injection? Why are hackers so determined? This article explores Cyber and Information Security expert Mike Gualtieri's experiments with CSS Exfil and the use of CSS Attribute Selectors. It concludes with a few pointers on how to avoid this type of attack and the need for a Content Security Policy. Read More

In this week's edition of our security roundup: why you should be careful what you put into your composer.json file, why you need to use a Package Manager, the Principle of Least Privilege and DNS Rebinding Read More

In this week's edition of our security roundup: Thanks to Chrome's new Site Isolation feature, the X-Content-Type-Options header is more important than ever. Read More

In this week's edition of our security roundup: directory listings can lead to account takeover, accessibility and security of US government websites and certification authority with AlwaysOnSSL. Read More

In this week's edition of our security roundup: The Impact of Meltdown and Spectre On the Web and HTTP Verb Tampering and a phpMyAdmin Cross-Site Request Forgery. Read More

In this week's edition of our security roundup: HPKP and HSTS preload bypasses, a vBulletin LFI on Windows hosts and three creative sources of user input in order to exploit XSS vulnerabilities. Read More

A weekly security roundup by Netsparker for week 51 of 2017 - We examine the differences between the latest version of OWASP Top 10 and its predecessor. We also delve into the Mailspoilt vulnerability, security issues with EV Certificates and Google's .dev Support. Read More

A technical explanation of how a Cross-Site Request Forgery (CSRF) attack works. Included in the article is an example of how malicious hackers can exploit it & how developers can prevent it. Read More

This article explains what directory listing is and also explains how to disable it on a variety of web servers including Apache, NGINX and Microsoft Internet Information Services (IIS). Read More

An Open Redirection vulnerability is when the attackers can control to where a victim is redirected when using a web application, thus allowing them to redirect the victim to malicious websites controlled by the attackers. Read More

Information disclosure issues in web application can be used by attackers to gain insightful knowledge about the possible weaknesses of a web application, thus allowing them to craft a malicious hack attack. Read More

The Remote File Inclusion vulnerability allows attackers to insert files, from a web server they control, to a website. Read this article to learn about all the technical details of how this vulnerability works and how to prevent it. Read More

This article explains in detail what is the Server Side Request Forgery (SSRF) vulnerability, how malicious hackers can exploit it, what are its repercussions and what you can do to prevent it in your web applications. Read More

This article explains how the Content Security Policy security standard works and how it can be used by web developers when developing web applications to avoid cross-site scripting, clickjacking, protocol downgrading and other vulnerabilities web applications are typically susceptible to. Read More

This article explains what the CRLF Injection is and how it can be used to do HTTP response splitting or HTTP header injection to trick the victim's browser. Read More

This introductory article explains how the Local File Inclusion vulnerability works, how attackers can exploit it on vulnerable web applications, and also recommends development best practices to prevent it. Read More

This article explains what is the command injection vulnerability, how it works (how malicious hackers can exploit it) and also explains how to ensure your web applications are not vulnerable to this vulnerability. Read More

Netsparker is offering free web application security scans to developers who develop open source web applications. This initiative will surely help developers write more secure code, thus ensuring a safer internet. Read this post for more information on how to apply for your free Netsparker Enterprise account. Read More