WordPress Core < 7.0.3 - Preauth Reflected XSS (XSS2Shell)

Pre-authentication reflected XSS in WordPress wp-login.php CVE-2026-64638. The flaw exploits a parser differential between PHP striptags and WordPress KSES. Tags with whitespace after e.g. " area" survive striptags but are normalized to valid HTML by KSES, leading to attacker-controlled DOM...