Tags: web 

Rating:

tl;dr DOM clobber to disable trustedTypes and overwrite callback, use trick to exapnd character limit to more than 20 characters.

[original writeup](https://blog.jimmyli.us/articles/2021-03/Zer0ptsCTF-WebExploitation#simple-blog)

Original writeup (https://blog.jimmyli.us/articles/2021-03/Zer0ptsCTF-WebExploitation#simple-blog).