Tag Archives: WordPress Security

SQL Injection Vulnerability in Ninja Forms

As part of our regular research audits for our Sucuri Firewall, we discovered an SQL Injection vulnerability affecting the Ninja Forms plugin for WordPress, currently installed on 600,000+ websites. Vulnerability Disclosure Timeline: August 11th 9:35 am, 2016 – Initial report to the Ninja Forms team August 11th 2:49 pm, 2016 – Public release of version… […]

Analyzing and Cleaning Hijacked Google SEO Spam Results

Blackhat SEO spam comes in many forms, and one of the most nefarious is hijacked search results. This happens when search engines crawl and display unwanted content in the title and description of infected web pages. The negative impact to the infected website cannot be understated. This harms the website’s reputation with visitors and will… […]

Spotlight – How Cart66 Maintains Security for Ecommerce

Cart66 offers a comprehensive plugin solution for WordPress shop owners. With a unique suite of services, intuitive features, and essential security components, Cart66 provides everything you need to operate a PCI compliant online store. PCI compliance is one of the most important considerations for any ecommerce site. Cart66 connects your WordPress website to a hosted… […]

Spotlight: How iThemes Manages Their Website Security

iThemes was one of the first premium theme shops for WordPress. Over the years their focus has expanded to include premium WordPress plugins that help website owners manage and secure their websites. In addition to a suite of plugins and themes, iThemes is committed to providing education and training for freelance web designers & entrepreneurs…. […]

Security Advisory: Stored XSS in Jetpack

During regular research audits for our Sucuri Firewall (Cloud-based WAF), we discovered a stored XSS vulnerability affecting the WordPress Jetpack plugin, currently installed on more than a million WordPress sites. The vulnerability can be easily exploited via wp-comments and we recommend everyone to update asap, if you have not done so yet. Vulnerability Disclosure Timeline:… […]

Nulled WordPress Themes: Malvertising and Black Hat SEO

If you have been following our blog for some time, you know that we regularly warn about risks associated with the use of third-party software on your site. A benign plugin may sneakingly inject ads into your site which cause malvertising problems for the site visitors (e.g. SweetCaptcha). Other plugins may be hijacked by hackers or… […]

WordPress Redirect Hack via Test0.com/Default7.com

We’ve been working on a few WordPress sites with the same infection that randomly redirects visitors to malicious sites via the default7 .com / test0 .com / test246 .com domains. In this post, we’ll provide you with a review of this attack, investigated by our malware analyst, John Castro. Header.php Injection In all cases, theRead […]

Security Advisory: Stored XSS in bbPress

Exploitation Level: Easy/Remote DREAD Score: 6/10 Vulnerability: Stored XSS Patched Version:  bbPress 2.5.9 During regular research audits of our Sucuri Firewall, we discovered a Stored XSS vulnerability affecting the bbPress plugin for WordPress which is currently installed on 300,000 live websites – one of them being the popular wordpress.org support forum. Vulnerability Disclosure Timeline: AprilRead […]