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 YUI Library Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2013-4939) PHP Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2019-9025) Moodle Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2011-4284) Drupal Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2013-0244) Squid Improper Input Validation Vulnerability (CVE-2014-0128) 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 Tags Missing Update Known Vulnerabilities