CVE-2026-4882: Critical WordPress File Upload Bug
A critical WordPress plugin vulnerability — CVE-2026-4882 — has been disclosed with a CVSS score of 9.8. The User Registration Advanced Fields plugin (versions up to 1.6.20) allows unauthenticated attackers to upload arbitrary files to a WordPress server due to missing file type validation. If a Profile Picture field is active on any registration form, your site is at risk of full remote code execution. In this video, we break down exactly how the flaw works, who's affected, and what you need to do right now to protect your site. Update the plugin immediately or remove the Profile Picture field to close the attack vector.
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