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 Plugin WF Cookie Consent Cross-Site Scripting (1.1.3) WordPress 5.6.x Multiple Vulnerabilities (5.6 - 5.6.4) Drupal Unrestricted Upload of File with Dangerous Type Vulnerability (CVE-2022-25277) EspoCRM Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2018-17302) Varnish Cache Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2017-8807) 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