WP CSV <= 1.8.0.0 - Reflected XSS via CSV Import

The plugin does not sanitize and escape a parameter before outputting it back in the page when importing a CSV, and doe snot have CSRF checks in place as well, leading to a Reflected Cross-Site Scripting.

PoC

Create a .txt file and the below line there: $ echo “” Make a logged in admin import the file (via “WP CSV” > “Import”) to trigger the XSS The attack could also be performed via CSRF