CordysCRM through 1.9.3 contains a missing authorization vulnerability in the POST /custom-form/data/import endpoint that allows authenticated users to import data into any custom form by customFormId. Low-privileged attackers can upload Excel files with importType ADD or UPDATE to create records in, or overwrite existing records of, custom forms they cannot manage.

CordysCRM through 1.9.3 contains a missing authorization vulnerability in the POST /custom-form/data/import endpoint that allows authenticated users to import data into any custom form by customFormId. Low-privileged attackers can upload Excel files with importType ADD or UPDATE to create records in, or overwrite existing records of, custom forms they cannot manage.