As an open source product, only the latest major version will be patched for security vulnerabilities. Previous versions of Dinero will likely not be retroactively patched.
To report a security issue, please email carlos@pythoncheatsheet.org with a description of the issue, the steps you took to create the issue, affected versions, and if known, mitigation for the issue.
Once the vulnerability has been confirmed, it will be fixed as soon as possible if feasible.