Read: https://www.binarymoon.co.uk/2014/09/timthumb-end-life/
Script s being abused great time in the meantime, 2500 Word Press websites vulnerable.
Random example -
Re: https://aw-snap.info/file-viewer/?protocol=not-secure&ref_sel=GSP2&ua_sel=ff&chk-cache=&fs=1&tgt=d3d3Ln0jfG17fVtefG58dlt8dFtdbi5eXW0%3D~enc (see code line 23)
Outdated PHP and WordPress kernel software: https://sitecheck.sucuri.net/results/www.rdamericanaviation.com
This website above needs to be maintained properly, security should not be a last resort issue.
Linting delivered these hints: https://webhint.io/scanner/8979240c-bce0-4b4f-9dcd-b27629b8a685
108 security related recommendations: https://webhint.io/scanner/8979240c-bce0-4b4f-9dcd-b27629b8a685#category-Security
polonus