Description Cross-site Scripting vulnerability in MyBB before 1.8.26 via Custom moderator tools. Remediation References CVE-2021-27949 Related Vulnerabilities WordPress 4.0.x Cross-Domain Flash Injection Vulnerability (4.0 - 4.0.21) WordPress Plugin Super Forms-Drag & Drop Form Builder Arbitrary File Upload (4.9.700) Apache Tomcat Other Vulnerability (CVE-2005-0808) Oracle Application Server Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2002-2347) Moodle Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2023-5547) 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