CVE-2023-22527
Description
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.
Most recent supported versions of Confluence Data Center and Server are not affected by this vulnerability as it was ultimately mitigated during regular version updates. However, Atlassian recommends that customers take care to install the latest version to protect their instances from non-critical vulnerabilities outlined in Atlassian’s January Security Bulletin.
Summary dbcve.org
A template injection vulnerability in older versions of Atlassian Confluence Data Center and Server allows unauthenticated attackers to achieve remote code execution. The flaw exists in the template rendering mechanism and can be exploited without credentials.
Mitigation
Organizations running affected (older) versions must immediately upgrade Confluence to the latest supported version to remediate this vulnerability. This is a critical priority as the vulnerability is exploitable without authentication.