the point is it's a feature, not an exploit. control and escape codes are a thing for a reason.

it's worse with web stuff though... and it's a real vector.

https://cve.mitre.org/cgi-bin/cvekey.cgi?keyword=terminal+es...

https://packetstormsecurity.com/files/162518/AWS-CloudShell-...

https://nvd.nist.gov/vuln/detail/CVE-2017-0899

https://github.com/InfosecMatter/terminal-escape-injections