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.

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.

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.