Confluence Data Center and Server vulnerabilities
3 known CVE vulnerabilities in Confluence Data Center and Server, translated and rated.
- CVE-2026-21580Critical
A Critical Stored XSS, Privilege Escalation, and Security Misconfiguration vulnerability in Confluence Data Center and Server allows an unauthenticated attacker to execute arbitrary HTML or JavaScript in a victim's browser, perform actions as a higher-privileged user, and exploit security best-practice oversights.
- CVE-2023-22527CriticalActively exploited
A template injection vulnerability on older versions of Confluence Data Center and Server allows an unauthenticated attacker to achieve RCE on an affected instance. Customers using an affected version must take immediate action.
- CVE-2023-22518CriticalActively exploited
All versions of Confluence Data Center and Server are affected by this unexploited vulnerability. This Improper Authorization vulnerability allows an unauthenticated attacker to reset Confluence and create a Confluence instance administrator account. Using this account, an attacker can then perform all administrative actions that are available to Confluence instance administrator leading to - but not limited to - full loss of confidentiality, integrity and availability.