THE recent alert from AdGuard highlights the detection of an exploit (CVE-2026-48907) in the Joomla Content Editor related to improper access control. Additionally, AdGuard has introduced a feature in its ad-blocking software aimed at preventing tracking via hidden 1x1 pixel images commonly used in email marketing. These pixels allow marketers to monitor email interaction without users' knowledge.
AdGuard's tracking shield, which must be manually activated, is compatible with several email clients and will soon be available for mobile platforms. The update caters to various email applications, ensuring robust privacy protection against such tracking attempts.