A weakness has been identified in bestfeng oa_git_free up to 9.5. This affects the function updateWriteBack of the file yimioa-oa9.5serverc-flowsrcmainjavacomcloudweboacontrollerWorkflowPredefineController.java. This manipulation of the argument writeProp causes xml external entity reference. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be exploited.
The product uses an externally controlled name or reference that resolves to a resource that is outside of the intended control sphere.