Description SQL Injection vulnerablity in MyBB before 1.8.26 via theme properties included in theme XML files. Remediation References CVE-2021-27890 Related Vulnerabilities WordPress Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2010-4536) WordPress 3.7.x Multiple Vulnerabilities (3.7 - 3.7.23) MODX CVE-2017-7323 Vulnerability (CVE-2017-7323) Dot CMS Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2023-3042) e107 Other Vulnerability (CVE-2005-2327) Severity High Classification CVE-2021-27890 CWE-138 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities