CVE-2023-22527

CVE-2023-22527 is a critical vulnerability found in Atlassian's Confluence Server and Data Center. This flaw, rated 10 out of 10 on the CVSS v3 scale, is a template injection issue that allows an unauthenticated attacker to execute remote code. The vulnerability specifically affects outdated versions of Confluence Data Center and Server, namely versions 8.0.x, 8.1.x, 8.2.x, 8.3.x, 8.4.x, and 8.5.0 through 8.5.3. The discovery of this vulnerability led Atlassian to release a security advisory as well as its January 2024 security bulletin addressing vulnerabilities in multiple products. The company has since patched this critical flaw, which could have potentially allowed for remote code execution, posing a significant risk to users' security and data integrity. Atlassian revealed the critical Confluence RCE flaw on January 16, 2024, urging users to take immediate action. The company provided a patch for CVE-2023-22527 to mitigate the potential damage from unauthenticated attackers exploiting the flaw. Users of affected versions of Confluence Data Center and Server are strongly recommended to update their software to the latest version to protect against this severe vulnerability.