Scheduled maintenance:
Some features related to account registration and licensing may be temporarily unavailable from Friday (May 8) at 1 PM to Sunday (May 10) at 5 PM (PST).
ZNC before 1.7.1-rc1 is prone to a path traversal flaw via ../ in a web skin name to access files outside of the intended skins directories.
https://nvd.nist.gov/vuln/detail/CVE-2018-14056