This is weird, because I no longer get JS execution when previewing the log file...
I can confirm that the bug is no longer present in current version 19.39-2, thank you for your support.
Here is the error log.
Hey there Ilia, I will try to update the version, later today I'll send you the logs in private message
Hey there Ilia, sorry for the late answer, from where can I get the patched version?
XSS vulnerability when viewing Logfile