Description In SilverStripe through 4.6.0-rc1, a FormField with square brackets in the field name skips validation. Remediation References CVE-2020-26138 Related Vulnerabilities Oracle JRE Improper Certificate Validation Vulnerability (CVE-2003-1229) WordPress Plugin Disable Image Right Click Cross-Site Scripting (1.0) WordPress Plugin Easy Media Download Cross-Site Scripting (1.1.4) Drupal Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2008-6532) WordPress Plugin W3 Total Cache Backdoor (0.9.2.2) Severity Medium Classification CVE-2020-26138 CWE-20 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Tags Missing Update Known Vulnerabilities