Slimstat: Stored XSS from Visitors
Antony Garand 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…
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WordPress Security
698 posts
Persistent Cross-site Scripting in WP Live Chat Support Plugin
John Castro During a routine research audits for our Sucuri Firewall, we discovered an Unauthenticated Persistent Cross-Site Scripting (XSS) affecting 60,000+ users of the WP Live Chat…
WordPress Plugin Give – Stored XSS for Donors
Give is a WordPress plugin which allows users to setup a donation page on a website. It currently has 60k installs. During a recent audit…
array_diff_ukey Usage in Malware Obfuscation
Luke Leal We discovered a PHP backdoor on a WordPress installation that contained some interesting obfuscation methods to keep it hidden from prying eyes: $zz1 = chr(95).chr(100).chr(101).chr(115).chr(116).chr(105).chr(110).chr(97).chr(116).chr(105).chr(111).chr(110);…
Multiple Vulnerabilities in the WordPress Ultimate Member Plugin
The Ultimate member plugin version 2.0.45 and lower is affected by multiple vulnerabilities, among them is a critical vulnerability allowing malicious users to read and…
Persistent XSS via CSRF in WP Meta and Date Remover
During regular research audits for our Sucuri Firewall (WAF), we discovered a Cross Site Request Forgery (CSRF) leading to a persistent Cross Site Scripting vulnerability…
Insufficient Privilege Validation in WooCommerce Checkout Manager
Due to the poor handling of a vulnerability disclosure, a new attack vector has appeared for the WooCommerce Checkout Manager WordPress plugin and is affecting…
Plugins Added to Malicious Campaign
We continue to see an increase in the number of plugins attacked as part of a campaign that’s been active for quite a long time.…
Free Premium themes? There’s always a catch
Pedro Peixoto OK, so we’ve all been there. We want something Premium, such as a paid version of an app or piece of software, but it would…
WP Plugin Hider
One of our analysts recently found an interesting injection that has been found on WordPress installations. Installed by hacker, it is used to hide a…
Defunct Malware Can Cause Problems Too
Harshad Mane Recently our incident response analyst Harshad Mane worked on a site that redirected users to a third-party malicious site whenever they logged into the WordPress…