CVE-2024-21678
8.5 · HIGHOverview
CVE-2024-21678 is a high-severity vulnerability affecting atlassian confluence_data_center. It was published on February 20, 2024 and has a CVSS 3.1 base score of 8.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
This High severity Stored XSS vulnerability was introduced in version 2.7.0 of Confluence Data Center.
This Stored XSS vulnerability, with a CVSS Score of 8.5, allows an authenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser which has high impact to confidentiality, low impact to integrity, no impact to availability, and requires no user interaction.
Data Center
Atlassian recommends that Confluence Data Center customers upgrade to the latest version. If you are unable to do so, upgrade your instance to one of the specified supported fixed versions:
||Affected versions||Fixed versions||
|from 8.7.0 to 8.7.1|8.8.0 recommended or 8.7.2|
|from 8.6.0 to 8.6.1|8.8.0 recommended|
|from 8.5.0 to 8.5.4 LTS|8.8.0 recommended or 8.5.5 LTS or 8.5.6 LTS|
|from 8.4.0 to 8.4.5|8.8.0 recommended or 8.5.6 LTS|
|from 8.3.0 to 8.3.4|8.8.0 recommended or 8.5.6 LTS|
|from 8.2.0 to 8.2.3|8.8.0 recommended or 8.5.6 LTS|
|from 8.1.0 to 8.1.4|8.8.0 recommended o
Remediation
Check the references section for vendor advisories and patches from atlassian. Update confluence_data_center to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| atlassian | confluence_data_center | >= 0, < 7.19.19 | Affected |
| atlassian | confluence_server | >= 0, < 7.19.19 | Affected |
Frequently Asked Questions
What is CVE-2024-21678?
CVE-2024-21678 is a high-severity vulnerability affecting atlassian confluence_data_center. It was published on February 20, 2024 and has a CVSS 3.1 base score of 8.5 (HIGH).
How severe is CVE-2024-21678?
This vulnerability has a CVSS 3.1 base score of 8.5, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2024-21678?
Check the references section for vendor advisories and patches from atlassian. Update confluence_data_center to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2024-21678?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-21678 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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