Our Threat Intelligence team discovered several vulnerabilities present in XCloner Backup and Restore, a WordPress plugin installed on over 30,000 sites. These vulnerabilities could have allowed an attacker to modify arbitrary files, including PHP files. The US government Cybersecurity and Infrastructure Security Agency is warning of detected persistent malicious activity traced back to LokiBot infections. An upcoming API change will break Facebook and Instagram oEmbed links across the web beginning October 24. Google has launched the Web Stories for WordPress plugin with a drag-and-drop, WYSIWYG interface for making full-screen, tappable content. Drupal patches a critical reflected XSS vulnerability. And a critical stored XSS vulnerability in Instagram's Spark AR Studio nets a 14-year-old researcher $25,000.