EPSS
Percentile
58.6%
VertrigoServ 2.17 allows XSS via the /inc/extensions.php ext parameter.
packetstormsecurity.com/files/151800/VertrigoServ-2.17-Cross-Site-Scripting.html
seclists.org/fulldisclosure/2019/Feb/47
sourceforge.net/p/vertrigo/news/