macrozheng mall Order Submission submit race condition

A security vulnerability has been detected in macrozheng mall up to 1.0.3. This impacts an unknown function of the file /order/submit of the component Order Submission. The manipulation leads to race condition. It is possible to initiate the attack remotely. The attack is considered to have high complexity. The exploitability is said to be difficult. The vendor deleted the GitHub issue for this vulnerability without and explanation.