Description SQL Injection vulnerability in MyBB before 1.8.26 via poll vote count. (issue 1 of 3). Remediation References CVE-2021-27946 Related Vulnerabilities WordPress Plugin All in One SEO-Best WordPress SEO-Easily Improve SEO Rankings & Increase Traffic Remote Code Execution (4.1.0.1) WordPress Plugin WP Maintenance Mode Multiple Vulnerabilities (2.0.3) Envoy Proxy NULL Pointer Dereference Vulnerability (CVE-2026-47221) MediaWiki Missing Authorization Vulnerability (CVE-2019-12470) PHP Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2010-2100) Severity High Classification CVE-2021-27946 CWE-138 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities