/usr/share/lua/5.1/xavante/ is in xavante 2.3.0-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/lua/5.1/xavante/cgiluahandler.lua
/usr/share/lua/5.1/xavante/davFileProps.lua
/usr/share/lua/5.1/xavante/davFileRepository.lua
/usr/share/lua/5.1/xavante/davhandler.lua
/usr/share/lua/5.1/xavante/encoding.lua
/usr/share/lua/5.1/xavante/filehandler.lua
/usr/share/lua/5.1/xavante/httpd.lua
/usr/share/lua/5.1/xavante/indexhandler.lua
/usr/share/lua/5.1/xavante/mime.lua
/usr/share/lua/5.1/xavante/patternhandler.lua
/usr/share/lua/5.1/xavante/redirecthandler.lua
/usr/share/lua/5.1/xavante/ruleshandler.lua
/usr/share/lua/5.1/xavante/urlhandler.lua
/usr/share/lua/5.1/xavante/vhostshandler.lua