| Package | Affected versions | Patched versions |
|---|---|---|
| business workflow | < 1.18.1 | 1.18.1 |
tangro Business Workflow before 1.18.1 requests a list of allowed filetypes from the server and restricts uploads to the filetypes contained in this list. However, this restriction is enforced in the browser (client-side) and can be circumvented. This allows an attacker to upload any file as an attachment to a workitem.
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