Description MyBB before 1.8.25 allows stored XSS via nested [email] tags with MyCode (aka BBCode). Remediation References CVE-2021-27279 Related Vulnerabilities Oracle HTTP Server Other Vulnerability (CVE-2002-0659) osCommerce Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2008-0719) WordPress Plugin Greenshift-animation and page builder blocks Cross-Site Scripting (4.9.9) Liferay Portal Incorrect Default Permissions Vulnerability (CVE-2022-42127) WordPress Plugin WordPress Download Manager Cross-Site Scripting (3.2.21) 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