The “WPO365 | LOGIN” WordPress plugin (up to and including version 15.3) by wpo365.com is vulnerable to a persistent Cross-Site Scripting (XSS) vulnerability (also known as Stored or Second-Order XSS).
CVSS 3.1CRITICAL 9.3·Network·No auth·User interaction·EPSS 0.00968·Published 2021-11-19·Fixed in 15.3CWE-79