Description Microsoft SharePoint Server Remote Code Execution Vulnerability Remediation References CVE-2025-21400 Related Vulnerabilities WordPress Plugin Ultimate Coming Soon, Maintenance Mode for WordPress-Everest Coming Soon Lite includes Backdoor [Only if downloaded via the vendor website] (1.1.0) WordPress Plugin Newsletters Multiple Vulnerabilities (4.6.6.2) osTicket Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2023-1315) Ruby on Rails CVE-2019-5418 Vulnerability (CVE-2019-5418) Atlassian Jira Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2017-16862) Severity High Classification CVE-2025-21400 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities