CVE-2023-22522

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 12.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-06 · updated 2026-06-17
Weakness: CWE-74

Description

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.

Affected products

Atlassian Confluence Data Center: from 4.0 before 7.19.17; from 8.0.0 before 8.4.5; from 8.5.0 before 8.5.4; from 8.6.0 before 8.6.2; 8.7.0 — fixed in 7.19.17, 8.4.5, 8.5.4, 8.6.2
Atlassian Confluence Data Center: from 4.0 before 7.19.17; from 8.0.0 before 8.4.5; from 8.5.0 before 8.5.4 — fixed in 7.19.17, 8.4.5, 8.5.4

How to fix

Upgrade to a fixed version: Atlassian Confluence Data Center 7.19.17, 8.4.5, 8.5.4, 8.6.2; Atlassian Confluence Data Center 7.19.17, 8.4.5, 8.5.4. Check the vendor advisory for mitigations.

References

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