Description The installer in MyBB before 1.8.13 has XSS. Remediation References CVE-2017-16781 Related Vulnerabilities WordPress Plugin Insert or Embed Articulate Content into WordPress Arbitrary File Upload (4.3000000023) WordPress Plugin Google AdSense by BestWebSoft Cross-Site Scripting (1.29) PHP Other Vulnerability (CVE-2011-0420) WordPress Plugin Formidable Forms-Contact Form, Survey, Quiz, Calculator & Custom Form Builder PHP Object Injection (4.02) MySQL CVE-2023-21887 Vulnerability (CVE-2023-21887) Severity Medium Classification CVE-2017-16781 CWE-707 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N Tags Missing Update Known Vulnerabilities