A privilege escalation vulnerability (CVE-2025-53209) has been identified in Themeisle Masteriyo LMS PRO plugin. The vulnerability is classified as an Incorrect Privilege Assignment issue that allows attackers to escalate their privileges within the system. This security flaw affects all versions of Masteriyo LMS PRO from the initial release through version 2.20.0. The vulnerability enables unauthorized users to gain elevated access rights, potentially compromising the entire learning management system. Organizations using the affected versions should prioritize patching to prevent potential exploitation.