CVE-2021-26544: Apache Livy (Incubating) is vulnerable to cross site scripting

[Jerry Shao <jshao () apache org>]

Description:

Livy server version 0.7.0-incubating (only) is vulnerable to a cross
site scripting issue in the session name.  A malicious user could use
this flaw to access logs and results of other users' sessions and run
jobs with their privileges.  This issue is fixed in Livy
0.7.1-incubating.

This issue is being tracked as
https://github.com/apache/incubator-livy/commit/4d8a912699683b973eee76d4e91447d769a0cb0d

Mitigation:

Users can upgrade to 0.7.1-incubating or apply the patch at the github URL.

Credit:

We would like to thank Andras Beni for reporting this issue

References:
https://github.com/apache/incubator-livy/commit/4d8a912699683b973eee76d4e91447d769a0cb0d