/usr/share/cpl-plugins/ is in cpl-plugin-visir 4.3.0+dfsg1-1+b1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/cpl-plugins/visir-4.3.0/
/usr/share/cpl-plugins/visir-4.3.0/config/
/usr/share/cpl-plugins/visir-4.3.0/config/visir_default.swarp
/usr/share/cpl-plugins/visir-4.3.0/dic/
/usr/share/cpl-plugins/visir-4.3.0/dic/ESO-DFS-DIC.VISIR_QC
/usr/share/cpl-plugins/visir-4.3.0/dic/ESO-VLT-DIC.VISIR_CFG
/usr/share/cpl-plugins/visir-4.3.0/dic/ESO-VLT-DIC.VISIR_ICS
/usr/share/cpl-plugins/visir-4.3.0/dic/ESO-VLT-DIC.VISIR_OS
/usr/share/cpl-plugins/visir-4.3.0/gasgano/
/usr/share/cpl-plugins/visir-4.3.0/gasgano/config/
/usr/share/cpl-plugins/visir-4.3.0/gasgano/config/VISIR.prefs
/usr/share/cpl-plugins/visir-4.3.0/gasgano/config/VISIR.rul
/usr/share/cpl-plugins/visir-4.3.0/gasgano/config/visir.oca