CVE-2021-27907

Apache Superset stored XSS on Dashboard markdown

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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 11.63% Top 10%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Superset
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread.html/r09293fb09f1d617f0d2180c42210e739e2211f8da9bc5c1873bea67a%40%3Cdev.superset.apache.org%3E vendor advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2021-27907?
CVE-2021-27907 has been scored as a medium severity vulnerability.
How to fix CVE-2021-27907?
To fix CVE-2021-27907, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-27907 being actively exploited in the wild?
It is possible that CVE-2021-27907 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~12% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-27907?
CVE-2021-27907 affects Apache Software Foundation Apache Superset.
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