PT-2026-51608 · Flatpress · Flatpress

·

CVE-2026-56785

·

Published

2026-06-23

·

Updated

2026-06-24

CVSS v4.0

8.4

High

VectorAV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N
Name of the Vulnerable Software and Affected Versions FlatPress versions prior to commit 10be83c
Description A stored cross-site scripting issue exists in comment and contact forms. The name, URL, and email fields are rendered without proper output encoding in Smarty templates. This allows attackers to inject arbitrary HTML and JavaScript to execute malicious scripts in the browsers of viewers, including administrators, or bypass URL scheme validation to inject javascript: or data: URIs.
Recommendations Update to commit 10be83c or a later version.

Exploit

Fix

XSS

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2026-56785

Affected Products

Flatpress