Description MyBB before 1.8.25 allows stored XSS via nested [email] tags with MyCode (aka BBCode). Remediation References CVE-2021-27279 Related Vulnerabilities PHP Other Vulnerability (CVE-2004-0595) Oracle Database Server Other Vulnerability (CVE-2005-1197) WordPress Plugin Anthologize Cross-Site Scripting (0.7.7) Apache Traffic Server Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') Vulnerability (CVE-2025-65114) Joomla! Core 3.x.x SQL Injection (3.1.0 - 3.2.2) Severity Medium Classification CVE-2021-27279 CWE-707 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Tags Missing Update Known Vulnerabilities