Audit request argument parsing

[AetherUnbound]

Description

It came about while discussing #398 that we should do an audit of all request argument processing (e.g. request.query_params usage) to make sure that we don't have other possible points of failure where users (or the frontend!) might submit inappropriate values.

Alternatives

Additional context

Implementation

• [ ] 🙋 I would be interested in implementing this feature.

[Vidush22]

@AetherUnbound , I want to work on this matter. Kindly consider my request.

[dhruvkb]

@Vidush22 sure, go ahead. Feel free to ping here on post in the #openverse channel in the Making WordPress Slack workspace if you need any help.