In today’s world, we are all browsing websites online and sharing content on a multitude of social media platforms every day. Worldwide social media users exceeded 2 billion back in August 2014, with an adoption rate unlike anything we have seen in history. Social media continues to grow around the world, with active user accountsRead […]
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JetPack and TwentyFifteen Vulnerable to DOM-based XSS – Millions of WordPress Websites Affected
Any WordPress Plugin or theme that leverages the genericons package is vulnerable to a DOM-based Cross-Site Scripting (XSS) vulnerability due to an insecure file included with genericons. So far, the JetPack plugin (reported to have over 1 million active installs) and the TwentyFifteen theme (installed by default) are found to be vulnerable. The exact countRead […]
Hacked Websites Redirect to Bitcoin.org
Recently, we began to notice that some hacked websites were redirecting traffic from certain browsers to the BitCoin site, bitcoin.org. What’s going on? Is Bitcoin using black hat SEO? Is their site malicious? As you can see, the hacked website doesn’t redirect to bitcoin.org directly. It first redirects to “194 .6 .233 .7/mxjbb . cgi?default“, whichRead […]
My Website Was Blacklisted By Google and Distributing Email Spam
Being blacklisted is one of the worst things that can happen to a website. The public shame coming from every visitor being stopped by the Big Red Warning page can literally destroy any online business, I am speaking from personal experience before joining the Sucuri team. When a website is blacklisted, users are unable toRead […]
Critical Persistent XSS 0day in WordPress
Yes, you’ve read it right: a critical, unpatched 0-day vulnerability affecting WordPress’ comment mechanisms was disclosed earlier today by Klikki Oy. Who’s affected If your WordPress site allows users to post comments via the WordPress commenting system, you’re at risk. An attacker could leverage a bug in the way comments are stored in the site’s databaseRead […]
Magento Shoplift (SUPEE-5344) Exploits in the Wild
As warned a few days ago, the Magento Shoplift (SUPEE-5344) vulnerability details have been disclosed by the CheckPoint team. They show step by step how it can be exploited to take over a vulnerable Magento site. They have prepared the following video showing a Proof of Concept (PoC) in which they create a fake coupon: That’sRead […]
Security Advisory: XSS Vulnerability Affecting Multiple WordPress Plugins
Multiple WordPress Plugins are vulnerable to Cross-site Scripting (XSS) due to the misuse of the add_query_arg() and remove_query_arg() functions. These are popular functions used by developers to modify and add query strings to URLs within WordPress. The official WordPress Official Documentation (Codex) for these functions was not very clear and misled many plugin developers toRead […]
Critical Magento Shoplift Vulnerability (SUPEE-5344) – Patch Immediately!
The Magento team released a critical security patch (SUPEE-5344) to address a remote command execution (RCE) vulnerability back in February. It’s been more than two months since the release and still more than 50% of all the Magento installations have not been patched, leaving them open to attacks. This means hundreds of thousands of websites areRead […]
Website Firewall – Critical Microsoft IIS vulnerability (MS15-034)
Microsoft just disclosed a serious vulnerability (MS15-034) on their Web Server IIS that allows for remote and unauthenticated Denial of Service (DoS) and/or Remote Code Execution (RCE) on unpatched Windows servers. An attacker only needs to send a specially crafted HTTP request with the right header to exploit it. That’s how serious it is. RCE is usedRead […]
Impacts of a Hack on a Magento Ecommerce Website
Recently we wrote about the impacts of a hacked website and how it is important to give website visitors a safe online experience In this post, I’ll show you how a hacked website results in almost immediate loss of money. We are not talking about drive-by infections that can be prevented by using a goodRead […]
