Description Cross-site Scripting vulnerability in MyBB before 1.8.26 via Custom moderator tools. Remediation References CVE-2021-27949 Related Vulnerabilities WordPress Plugin FlyingPress Security Bypass (3.9.6) WordPress Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2008-3233) MySQL CVE-2012-0488 Vulnerability (CVE-2012-0488) Joomla Unrestricted Upload of File with Dangerous Type Vulnerability (CVE-2011-4907) WordPress Plugin Simple Download Monitor Multiple Vulnerabilities (3.2.8) Severity Medium Classification CVE-2021-27949 CWE-707 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Tags Missing Update Known Vulnerabilities