The Contact Form Submissions WordPress plugin before 1.7.3 does not sanitise and escape additional fields in contact form requests before outputting them in the related submission. As a result, unauthenticated attacker could perform Cross-Site Scripting attacks against admins viewing the malicious submission
[
{
"product": "Contact Form Submissions",
"vendor": "Unknown",
"versions": [
{
"lessThan": "1.7.3",
"status": "affected",
"version": "1.7.3",
"versionType": "custom"
}
]
}
]