CVE-2021-26079
6.1 · MEDIUMOverview
CVE-2021-26079 is a medium-severity vulnerability affecting atlassian data_center. It was published on June 7, 2021 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The CardLayoutConfigTable component in Jira Server and Jira Data Center before version 8.5.15, and from version 8.6.0 before version 8.13.7, and from version 8.14.0 before 8.17.0 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability.
Remediation
Check the references section for vendor advisories and patches from atlassian. Update 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 | data_center | >= 0, < 8.5.15 | Affected |
| atlassian | jira | >= 0, < 8.5.15 | Affected |
| atlassian | jira_data_center | >= 8.6.0, < 8.13.7 | Affected |
| atlassian | jira_server | >= 8.6.0, < 8.13.7 | Affected |
Frequently Asked Questions
What is CVE-2021-26079?
CVE-2021-26079 is a medium-severity vulnerability affecting atlassian data_center. It was published on June 7, 2021 and has a CVSS 3.1 base score of 6.1 (MEDIUM).
How severe is CVE-2021-26079?
This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-26079?
Check the references section for vendor advisories and patches from atlassian. Update 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-2021-26079?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-26079 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
AI agents map your attack surface to find vulnerabilities like this one.
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