Cross-site scripting (XSS) vulnerability in the edit comment dialog in bkr/server/widgets.py in Beaker 20.1 allows remote authenticated users to inject arbitrary web script or HTML via writing a crafted comment on an acked or nacked canceled job.

The search bar code in bkr/server/widgets.py in Beaker before 20.1 does not escape </script> tags in string literals when producing JSON.

XML external entity (XXE) vulnerability in bkr/server/jobs.py in Beaker before 20.1 allows remote authenticated users to obtain sensitive information via submitting job XML to the server containing entity references which reference files from the Beaker server's file system.