The plugin does not validate the path parameter given to readfile(), which could allow unauthenticated attackers to read arbitrary files on server running old version of PHP susceptible to the null byte technique. This could also lead to RCE by using a Phar Deserialization technique
https://example.com/wp-content/plugins/admin-word-count-column/download-csv.php?path=/etc/passwd\0
Hassan Khan Yusufzai - Splint3r7
Yes
2022-03-27 (about 3 months ago)
2022-03-29 (about 3 months ago)
2022-04-20 (about 2 months ago)