An attacker is able to inject javascript while using the contact form.
The problem is fixed in v4.3.0
github.com/PrestaShop/contactform
github.com/PrestaShop/contactform/commit/a1da814bea7e5750b858a2dbbc58ace80379f42f
github.com/PrestaShop/contactform/commit/ecd9f5d14920ec00885766a7cb41bcc5ed8bfa09
github.com/PrestaShop/contactform/security/advisories/GHSA-95hx-62rh-gg96
nvd.nist.gov/vuln/detail/CVE-2020-15178
packagist.org/packages/prestashop/contactform