Flaws in Two Popular WordPress Plugins Affect Over 7 Million Websites
Mar 18, 2021
Researchers have disclosed vulnerabilities in multiple WordPress plugins that, if successfully exploited, could allow an attacker to run arbitrary code and take over a website in certain scenarios. The flaws were uncovered in Elementor , a website builder plugin used on more than seven million sites, and WP Super Cache , a tool used to serve cached pages of a WordPress site. According to Wordfence, which discovered the security weaknesses in Elementor, the bug concerns a set of stored cross-site scripting (XSS) vulnerabilities (CVSS score: 6.4), which occurs when a malicious script is injected directly into a vulnerable web application. In this case, due to a lack of validation of the HTML tags on the server-side, a bad actor can exploit the issues to add executable JavaScript to a post or page via a crafted request. "Since posts created by contributors are typically reviewed by editors or administrators before publishing, any JavaScript added to one of the...