CVE-2023-47265: Apache Airflow: DAG Params alllow to embed unchecked Javascript

[Ephraim Anierobi <ephraimanierobi () apache org>]

Severity: low

Affected versions:

- Apache Airflow 2.6.0 before 2.8.0

Description:

Apache Airflow, versions 2.6.0 through 2.7.3 has a stored XSS vulnerability that allows a DAG author to add an 
unbounded and not-sanitized javascript in the parameter description field of the DAG. This Javascript can be executed 
on the client side of any of the user who looks at the tasks in the browser sandbox. While this issue does not allow to 
exit the browser sandbox or manipulation of the server-side data - more than the DAG author already has, it allows to 
modify what the user looking at the DAG details sees in the browser - which opens up all kinds of possibilities of 
misleading other users.

Users of Apache Airflow are recommended to upgrade to version 2.8.0 or newer to mitigate the risk associated with this 
vulnerability

Credit:

Jens Scheffler (finder)
Andrey Anshin (finder)
Jens Scheffler (remediation developer)

References:

https://github.com/apache/airflow/pull/35460
https://airflow.apache.org/
https://www.cve.org/CVERecord?id=CVE-2023-47265