Vulnerability in Atlassian Confluence Data Center
CVE-2023-22522
This Template Injection vulnerability allows an authenticated attacker, including one with anonymous access, to inject unsafe user input into a Confluence page. Using this approach, an attacker is able to achieve Remote Code Execution (RCE) on an affected instance. Publicly accessible Confluence Data Center and Server versions as listed below are at risk and require immediate attention. See the advisory for additional details Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.
EPSS: 0.128 (96.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Atlassian Confluence Data Center — versions < 4.0.0, >= 4.0.0, >= 7.20.0
- Atlassian Confluence_data_center — versions 8.7.0
- Atlassian Confluence Server — versions < 4.0.0, >= 4.0.0, >= 7.20.0
- Atlassian Confluence_server
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@atlassian.com (Vendor Advisory)
- security@atlassian.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-22522?
- CVE-2023-22522 is a high-severity vulnerability in Atlassian Confluence Data Center, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.8/10. Published 2023-12-06.
- How severe is CVE-2023-22522?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-22522 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.