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CVE-2021-27310

6.1 · MEDIUM
Published Mar 23, 2021 csphere CWE-79 EPSS 2.82% (86th pctl)

Overview

CVE-2021-27310 is a medium-severity vulnerability affecting csphere clansphere. It was published on March 23, 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

Clansphere CMS 2011.4 allows unauthenticated reflected XSS via "language" parameter.

Remediation

Check the references section for vendor advisories and patches from csphere. Update clansphere 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

Frequently Asked Questions

What is CVE-2021-27310?

CVE-2021-27310 is a medium-severity vulnerability affecting csphere clansphere. It was published on March 23, 2021 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2021-27310?

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-2021-27310?

Check the references section for vendor advisories and patches from csphere. Update clansphere 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-2021-27310?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-27310 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.