CVE-2017-16856
6.1 · MEDIUMOverview
CVE-2017-16856 is a medium-severity vulnerability affecting atlassian confluence. It was published on December 5, 2017 and has a CVSS 3.0 base score of 6.1 (MEDIUM).
This vulnerability has a CVSS 3.0 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 RSS Feed macro in Atlassian Confluence before version 6.5.2 allows remote attackers to inject arbitrary HTML or JavaScript via cross site scripting (XSS) vulnerabilities in various rss properties which were used as links without restriction on their scheme.
Remediation
Check the references section for vendor advisories and patches from atlassian. Update confluence 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 | >= 0, < 6.5.2 | Affected |
Frequently Asked Questions
What is CVE-2017-16856?
CVE-2017-16856 is a medium-severity vulnerability affecting atlassian confluence. It was published on December 5, 2017 and has a CVSS 3.0 base score of 6.1 (MEDIUM).
How severe is CVE-2017-16856?
This vulnerability has a CVSS 3.0 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-2017-16856?
Check the references section for vendor advisories and patches from atlassian. Update confluence 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-2017-16856?
CyberStrike's AI-powered security agents can automatically detect CVE-2017-16856 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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