Prerequisites

• I verified that this is not a filter list issue. Report any issues with filter lists or broken website functionality in the uAssets issue tracker.
• This is not a support issue or a question. For support, questions, or help, visit /r/uBlockOrigin.
• I performed a cursory search of the issue tracker to avoid opening a duplicate issue.
• The issue is not present after disabling uBO in the browser.
• I checked the documentation to understand that the issue I am reporting is not normal behavior.

I tried to reproduce the issue when...

• uBO is the only extension.
• uBO uses default lists and settings.
• using a new, unmodified browser profile.

Description

Documentation: https://adguard.com/kb/general/ad-filtering/create-own-filters/#network-modifier
Related issue: AdguardTeam/tsurlfilter#104

A specific URL where the issue occurs.

https://github.com/AdguardTeam/AdguardFilters/pull/160415/files

Steps to Reproduce

Check the links above

Expected behavior

NA

Actual behavior

NA

uBO version

1.51.0

Browser name and version

Firefox 116.0.3

Operating System and version

Windows 10