CVE-2026-56785
HIGH
NVD
CVSS Score
8.2
Severity
HIGH
Published
Jun 23, 2026
Vendor
unknown
Description
FlatPress versions prior to commit 10be83c, contains a stored cross-site scripting vulnerability in comment and contact forms where name, URL, and email fields are rendered without proper output encoding in Smarty templates. Attackers can inject arbitrary HTML and JavaScript through these fields to execute malicious scripts in browsers of viewers including administrators, or bypass URL scheme validation to inject javascript: or data: URIs.