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CVE-2021-27907

5.4 · MEDIUM

Apache Superset up to and including 0.38.0 allowed the creation of a Markdown component on a Dashboard page for describing chart's related information.

Published Mar 5, 2021CWE-79EPSS 86.39%

Overview

CVE-2021-27907 is a medium-severity vulnerability. It was published on March 5, 2021 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

Apache Superset up to and including 0.38.0 allowed the creation of a Markdown component on a Dashboard page for describing chart's related information. Abusing this functionality, a malicious user could inject javascript code executing unwanted action in the context of the user's browser. The javascript code will be automatically executed (Stored XSS) when a legitimate user surfs on the dashboard page. The vulnerability is exploitable creating a “div” section and embedding in it a “svg” element with javascript code.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Reflists.apache.org/thread.html/r09293fb09f1d617f0d2180c42210e739e2211f8da9bc5c1873bea67a%40%3Cdev.superset.apache.org%3EReflists.apache.org/thread.html/r09293fb09f1d617f0d2180c42210e739e2211f8da9bc5c1873bea67a%40%3Cdev.superset.apache.org%3EReflists.apache.org/thread.html/r09293fb09f1d617f0d2180c42210e739e2211f8da9bc5c1873bea67a%40%3Cdev.superset.apache.org%3EReflists.apache.org/thread.html/r09293fb09f1d617f0d2180c42210e739e2211f8da9bc5c1873bea67a%40%3Cdev.superset.apache.org%3EReflists.apache.org/thread.html/r09293fb09f1d617f0d2180c42210e739e2211f8da9bc5c1873bea67a%40%3Cdev.superset.apache.org%3EReflists.apache.org/thread.html/r09293fb09f1d617f0d2180c42210e739e2211f8da9bc5c1873bea67a%40%3Cdev.superset.apache.org%3EReflists.apache.org/thread.html/r09293fb09f1d617f0d2180c42210e739e2211f8da9bc5c1873bea67a%40%3Cdev.superset.apache.org%3EReflists.apache.org/thread.html/r09293fb09f1d617f0d2180c42210e739e2211f8da9bc5c1873bea67a%40%3Cdev.superset.apache.org%3E

How CyberStrike helps

Frequently asked questions

What is CVE-2021-27907?

CVE-2021-27907 is a medium-severity vulnerability. It was published on March 5, 2021 and has a CVSS 3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2021-27907?

This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-27907?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2021-27907?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-27907 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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