Should TorBrowser users be concerned about these claims made by kaspersky?
We came across a number of clipboard injection attacks targeting cryptocurrency users multiple times. We look at how these attacks work and why they are dangerous.
Information theft or ‘clipboard injector’ attacks against cryptocurrency users
If users download Tor Browser binaries from trusted source, then no problems.
If users prefer to obtain it from random places on the internet, then yes, they should be concerned.