The ID number user profile field required additional sanitizing to prevent a stored XSS risk.
Created moodle tracking bugs for this issue:
Affects: epel-all [bug 1939034]
Affects: fedora-all [bug 1939035]
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
Disable the ID number field by unchecking it in Site admin > Users > User policies > Show user identity, until the patch has been applied.