Description Cross-site Scripting vulnerability in MyBB before 1.8.26 via Custom moderator tools. Remediation References CVE-2021-27949 Related Vulnerabilities Joomla Other Vulnerability (CVE-2006-1956) Joomla Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2013-1455) TYPO3 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2019-12748) WordPress Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2009-3890) PHP Other Vulnerability (CVE-2004-0958) 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