Tag Archives: WordPress Security

Malicious Plugin Used to Encrypt WordPress Posts

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 complained of a newly installed and activated plugin on their website that was rendering their original content unreadable. The plugin encrypted posts with the ‘AES-256-CBC’ method by using the openssl_encrypt More Info »

Neapolitan Backdoor Injection

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 as the ice cream which your roommate eats all of the chocolate, leaving you with the paltry remains of the notably less popular vanilla and strawberry flavours. While cleaning a More Info »

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 or features a website has, the more potential points of entry an attacker has to leverage. For example, a popular method for hardening WordPress installations is to disable the backend More Info »

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 slide-in messengers. Versions and lower are affected by a persistent Cross-Site Scripting in the admin area. This plugin has over 40,000 installations and any attacker with a subscriber account More Info »

Massive 1800ForBail WordPress Hacks

Sucuri malware analyst Kaushal Bhavsar recently brought our attention to a massive campaign responsible for adding either “1800ForBail” or “1800ForBail – One+Number” keywords to the titles of vulnerable WordPress sites. 1800ForBail in Search Results Google currently returns 158,000 results for the [intitle:1800ForBail] query. Of course, this count includes internal pages on compromised websites. At the More Info »

Return to the City of Cron – Malware Infections on Joomla and WordPress

We recently had a client that had a persistent malware infection on their shared hosting environment that would re-infect the files quickly after we had cleaned them. The persistence was being created by a cron that was scheduled to download malware from a third party domain. Persistent Malware Infection on WordPress and Joomla Websites This More Info »