Description SQL Injection vulnerability in MyBB before 1.8.26 via the Copy Forum feature in Forum Management. (issue 2 of 3). Remediation References CVE-2021-27947 Related Vulnerabilities WordPress Plugin WordPress Landing Pages Multiple Vulnerabilities (1.8.4) Joomla Other Vulnerability (CVE-2006-0303) WordPress Plugin Scroll To Top Cross-Site Scripting (1.4.0) WordPress Improper Input Validation Vulnerability (CVE-2017-1000600) WordPress Plugin POST SMTP Mailer-Email log, Delivery Failure Notifications and Best Mail SMTP for WordPress Multiple Cross-Site Request Forgery Vulnerabilities (2.5.6) Severity High Classification CVE-2021-27947 CWE-138 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N Tags Missing Update Known Vulnerabilities