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 […]
Tag Archives: WordPress Security
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 1.10.28.2 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 […]
7 Things You Should Monitor in WordPress Activity Logs
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 monitor in your WordPress logs. Over the years, WordPress has grown more complex. WordPress is used by people in a variety of environments, ranging from small shops to large enterprises. […]
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 […]
Korean Gambling and Call Girl Spam on Hacked and Non-hacked Sites
This blog post talks about how a web spam campaign that targets only one country may create problems for sites owners around the world — even if their site is not hacked. It all began with a pretty regular sample of an infected WordPress index.php file containing a long, encrypted one-line injection in front of […]
OS Command Injection in WP-Database-Backup
On May 28th, a critical OS Command Injection vulnerability affecting the WP-Database-Backup plugin was disclosed to the public by the Wordfence team. This is a very nasty bug which made it possible for a bad actor to gain full control of affected websites — with over 70,000 reported active installs. Are You Affected? On April […]
WordPress Hacks: 5 Ways to Protect WordPress from Hacking
WordPress is one of the most popular content management systems (CMS) out there. That’s why it is vital to prevent WordPress hacking. Statistically, over 33% of websites currently run on WordPress. This post is not a “one size fits all” overview, as there are many other ways to protect WordPress from hacking. Here at Sucuri, […]
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 […]
.htaccess Injector on Joomla and WordPress Websites
During the process of investigating one of our incident response cases, we found an .htaccess code injection. It had been widely spread on the website, injected into all .htaccess files and redirecting visitors to the http[:]//portal-f[.]pw/XcTyTp advertisement website. Taking a Look at the .htaccess Injector Code Below is the code within the ./modules/mod_widgetread_twitt/ index.php file […]
Slimstat: Stored XSS from Visitors
The WordPress Slimstat plugin, which currently has over 100k installs, allows your website to gather analytics data for your WordPress website. It will track certain information such as the browser and operating system details, plus page visits to optimize the website analytics. Versions below 4.8.1 are affected by an unauthenticated stored XSS on the administrator […]
