During an Indirect Prompt Injection Attack, an adversary can also force the creation of issues in private repos and things along those lines.
I wrote about some of these problem in the past e.g. see: https://embracethered.com/blog/posts/2023/chatgpt-plugin-vul... on how an attacker might steal your code.
Some other related posts about ChatGPT plugin vulnerabilities and exploits:
https://embracethered.com/blog/posts/2023/chatgpt-cross-plug...
https://embracethered.com/blog/posts/2023/chatgpt-webpilot-d...
Its not very transparent when and why a certain plugin gets invoked and what data is sent to it. One can only inspect afterwards basically.