HTTP: Apache Superset Markdown Component Stored Cross-Site Scripting
This signature detects attempts to exploit a known cross-site scripting vulnerability against Apache Superset Markdown. It is due to insufficient validation of user-supplied input. Attackers can steal cookie-based authentication credentials and launch other attacks.
Extended 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.
Affected Products
Apache superset
Short Name
HTTP:APACHE:SUPSET-MARKDWN-SXSS
Severity
Warning
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
Apache CVE-2021-27907 Component Cross-Site Markdown Scripting Stored Superset
Release Date
04/26/2021
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3415
False Positive
Unknown
Vendors
Apache
CVSS Score
3.5