/usr/share/cacti/site/install/ is in cacti 0.8.8b+dfsg-5.
This file is owned by root:root, with mode 0o755.
..
/usr/share/cacti/site/install/0_8_1_to_0_8_2.php
/usr/share/cacti/site/install/0_8_2_to_0_8_2a.php
/usr/share/cacti/site/install/0_8_2a_to_0_8_3.php
/usr/share/cacti/site/install/0_8_3_to_0_8_4.php
/usr/share/cacti/site/install/0_8_4_to_0_8_5.php
/usr/share/cacti/site/install/0_8_5a_to_0_8_6.php
/usr/share/cacti/site/install/0_8_6_to_0_8_6a.php
/usr/share/cacti/site/install/0_8_6c_to_0_8_6d.php
/usr/share/cacti/site/install/0_8_6d_to_0_8_6e.php
/usr/share/cacti/site/install/0_8_6f_to_0_8_6g.php
/usr/share/cacti/site/install/0_8_6g_to_0_8_6h.php
/usr/share/cacti/site/install/0_8_6h_to_0_8_6i.php
/usr/share/cacti/site/install/0_8_6j_to_0_8_7.php
/usr/share/cacti/site/install/0_8_7_to_0_8_7a.php
/usr/share/cacti/site/install/0_8_7a_to_0_8_7b.php
/usr/share/cacti/site/install/0_8_7b_to_0_8_7c.php
/usr/share/cacti/site/install/0_8_7c_to_0_8_7d.php
/usr/share/cacti/site/install/0_8_7d_to_0_8_7e.php
/usr/share/cacti/site/install/0_8_7e_to_0_8_7f.php
/usr/share/cacti/site/install/0_8_7f_to_0_8_7g.php
/usr/share/cacti/site/install/0_8_7g_to_0_8_7h.php
/usr/share/cacti/site/install/0_8_7h_to_0_8_7i.php
/usr/share/cacti/site/install/0_8_7i_to_0_8_8.php
/usr/share/cacti/site/install/0_8_8_to_0_8_8a.php
/usr/share/cacti/site/install/0_8_8_to_0_8_8b.php
/usr/share/cacti/site/install/0_8_to_0_8_1.php
/usr/share/cacti/site/install/index.php
/usr/share/cacti/site/install/install_finish.gif
/usr/share/cacti/site/install/install_next.gif