09-05-2019 , 05:11 PM
Quote:WordPress 5.2.3 has been released and includes fixes for six vulnerabilities and 29 bugs or enhancements. As WordPress is a common target for threat actors looking to host their malicious campaigns, it is important that all WordPress users upgrade to the latest release as soon as possible.
To upgrade to WordPress 5.2.3, you can download it and install manually or upgrade from within the WordPress Admin dashboard by clicking on Update and then clicking on Update Now
With this release, WordPress has fixed 5 XSS vulnerabilities and an open redirect vulnerability. All of these vulnerabilities were discovered by third-party researchers as described below.
- Props to Simon Scannell of RIPS Technologies for finding and disclosing two issues. The first, a cross-site scripting (XSS) vulnerability found in post previews by contributors. The second was a cross-site scripting vulnerability in stored comments.
- Props to Tim Coen for disclosing an issue where validation and sanitization of a URL could lead to an open redirect.
- Props to Anshul Jain for disclosing reflected cross-site scripting during media uploads.
- Props to Zhouyuan Yang of Fortinet’s FortiGuard Labs who disclosed a vulnerability for cross-site scripting (XSS) in shortcode previews.
- Props to Ian Dunn of the Core Security Team for finding and disclosing a case where reflected cross-site scripting could be found in the dashboard.
- Props to Soroush Dalili (@irsdl) from NCC Group for disclosing an issue with URL sanitization that can lead to cross-site scripting (XSS) attacks.