F-Secure Browser Plug-In Does Not Function in Mullvad Browser

[TESTER-sec]

Extension name

Browsing Protection by F-Secure

Extension page URL

https://addons.mozilla.org/en-US/firefox/addon/ols-f-secure/?utm_source=addons.mozilla.org&utm_medium=referral&utm_content=search

Login required?

No login required, but must have F-Secure Internet Security installed on system for the F-Secure Browsing Protection add-in to connect to the underlying F-Secure security software solution.

Extension for protecting encrypted browsing with security products by F-Secure.

Works in latest Firefox?

YES YES YES - F-Secure Browsing Protection add-in works on vanilla Firefox browser and ESR, but it DOES NOT WORK with Mullvad because of NoScript.

Expected behavior

I expected to see [expected behavior]
When F-Secure add-in for Firefox is added to Mullvad Browser, then it will function:

1. Scan web search results and provide site ratings;
2. Shopping (Scam) protection is provided by F-Secure; and
3. (Critical) Provide F-Secure Banking Protection when the user navigates to a bank, broker, or other financial services website.

Actual behavior

I actually see [actual behavior]
When F-Secure plugin for Firefox is added to Mullvad Browser, it does NOT function:

1. Scan web search results site ratings are not provided by F-Secure;
2. Shopping (Scam) protection is NOT provided by F-Secure; and
3. (Critical) F-Secure Banking Protection does NOT function when the user navigates to a bank, broker, or other financial services website.

Steps to reproduce

1. Install F-Secure Internet Security
2. Install Browsing Protection by F-Secure plugin from the Firefox PlugIn Store
   Open browser
3. Navigate to :
   https://www.suomenpankki.fi/en/
   https://www.ziraatbank.com.tr/tr
   https://www.bankofamerica.com/
4. Observe [issue]:
   F-Secure Online Banking Protection does NOT function

Browser version

15.0.3 (based on Mozilla Firefox 140.6.0esr)

VPN Status

Using Mullvad VPN

Additional information

F-Secure plugin from the Firefox PlugIn Store works seamlessly on:

1. Microsoft Edge
2. Google Chrome
3. Firefox ESR
4. Any other browser other than Mullvad Browser