EPSS
Percentile
26.9%
PressBooks 5.17.3 contains a cross-site scripting (XSS). Stored XSS can be submitted via the Book Info’s Long Description Body, and all actions to open or preview the books page will result in the triggering the stored XSS.
github.com/pressbooks/pressbooks
github.com/pressbooks/pressbooks/pull/2072
www.gosecure.net/blog/2021/02/16/cve-2021-3271-pressbooks-stored-cross-site-scripting-proof-of-concept/