Security Risk: Dangerous Exploitation level: Very Easy/Remote DREAD Score: 8/10 Vulnerability: Persistent XSS Patched Version: 1.4.4 During a routine audit for our Website Firewall (WAF), we discovered a dangerous Persistent XSS vulnerability affecting the very popular WP-Super-Cache plugin (more than a million active installs according to wordpress.org). The security issue, as well as another bug-fix […]
Tag Archives: Vulnerability Disclosure
Understanding WordPress Plugin Vulnerabilities
The last 7 days have been very busy with a number of vulnerabilities being disclosed on multiple WordPress plugins. Some of them are minor issues, some are more relevant, while others are what we’d categorize as noise. How are you supposed to make sense of all this? To help provide some clarity on the influx […]
Security Advisory: MainWP-Child WordPress Plugin
Security Risk: Critical Exploitation level: Very Easy/Remote DREAD Score: 9/10 Vulnerability: Password bypass / Privilege Escalation Patched Version: 2.0.9.2 During a routine audit of our Website Firewall (WAF), we found a critical vulnerability affecting the popular MainWP Child WordPress plugin. According to worpdress.org, it is installed on more than 90,000 WordPress sites as as remote administration […]
Malware Cleanup to Arbitrary File Upload in Gravity Forms
During our regular cleanup process we came across a reinfection case that caught our attention. This particular environment didn’t have anything special or fancy, it was an updated WordPress installation and had 3 out-of-date plugins; that’s pretty reasonable. After running through our processes and cleaning the environment we kept coming back to a reinfection; the […]
Security Advisory – WP-Slimstat 3.9.5 and lower
Advisory for: WP-Slimstat Security Risk: Very high Exploitation level: Remote DREAD Score: 8/10 Vulnerability: Weak Cryptographic keys leading to SQL injections Patched Version: 3.9.6 WP-Slimstat’s users should update as soon as possible! During a routine audit for our WAF, we discovered a security bug that an attacker could, by breaking the plugin’s weak “secret” key, use to perform a SQL […]
Vulnerability Disclosures – A Note To Developers
This post is entirely for developers. Feel free to read, but approach it with that in mind. There is no such thing as bug-free code, and any code, even the most secure, can, with time, can be used for nefarious actions. We ourselves find weaknesses in our code, internally and externally, and have to work […]
Analysis of the Fancybox-For-WordPress Vulnerability
We were alerted last week of a malware outbreak affecting WordPress sites using version 3.0.2 and lower of the fancybox-for-wordpress plugin. As announced, here are some of the details explaining how attackers could use this vulnerability to inject malicious iframes on websites using this plugin. Technical details This vulnerability exploited a somewhat well-known attack vector amongst WordPress plugins: unprotected […]
Zero-day in the Fancybox-for-WordPress Plugin
Our research team was alerted to a possible malware outbreak affecting many WordPress websites. All the infections had a similar malicious iframe from “203koko” injected into the website. We were also directed to a forum thread where users were sharing their concerns and describing similar issues they were experiencing. In analyzing the infected websites, we […]
Security Advisory – Vulnerabilities in Pagelines/Platform theme for WordPress
Advisory for: Pagelines and Platform Themes Security Risk: Very High Exploitation level: Easy/Remote DREAD Score: 9/10 Vulnerability: Privilege Escalation / Remote Code Execution Patched Version: 1.4.6 Users of both the Pagelines and Platform themes should update as soon as possible. During a routine audit for our WAF, we found two dangerous issues: A Privilege Escalation vulnerability affecting […]
vBSEO’s Vulnerability Leads to Remote Code Execution
We were notified last week that the vBulletin team sent an email to all their clients about a potential security vulnerability in vBSEO. After further investigation, we confirm that this is a very critical issue as it could allow an attacker to execute malicious PHP code on your website, manually patching this add-on should be […]
