Props to Simon Scannell of RIPS Technologies for finding an issue where set-screen-option can be misused by plugins leading to privilege escalation.Props to Nrimo Ing Pandum for finding an authenticated XSS issue via theme uploads.Props to Ben Bidner of the WordPress Security Team for finding an open redirect issue in wp_validate_redirect().
Props to Luigi – () for discovering an XSS issue where authenticated users with upload permissions are able to add JavaScript to media files.Props to Sam Thomas (jazzy2fives) for finding an XSS issue where authenticated users with low privileges are able to add JavaScript to posts in the block editor.If you haven’t yet updated to 5.4, there are also updated versions of 5.3 and earlier that fix the security issues. First Steps With WordPress or Upgrading WordPress Extendedįive security issues affect WordPress versions 5.4 and earlier version 5.4.2 fixes them, so you’ll want to upgrade.If you are new to WordPress, we recommend that you begin with the following: To download WordPress 5.4.2, update automatically from the Dashboard > Updates menu in your site’s admin area or visit WordPress releases archive.įor step-by-step instructions on installing and updating WordPress:
On June 10, 2020, WordPress 5.4.2 was released to the public.
