Description Microsoft SharePoint Server Remote Code Execution Vulnerability Remediation References CVE-2021-26420 Related Vulnerabilities WordPress Plugin Newspack Blocks Arbitrary File Upload (3.0.8) WordPress Plugin WP-Live Chat by 3CX Cross-Site Scripting (7.0.06) WordPress Plugin Ninja Forms Contact Form-The Drag and Drop Form Builder for WordPress Cross-Site Scripting (3.2.13) WordPress Plugin WP Job Manager Privilege Escalation (1.34.4) phpList Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') Vulnerability (CVE-2017-20030) Severity High Classification CVE-2021-26420 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities