What is CVE-2026-56785?

CVE-2026-56785 is a high-severity vulnerability in Flatpress, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2026-06-23.

How severe is CVE-2026-56785?

High severity. CVSS v3 base score is 8.2 out of 10.

XSS in Flatpress

CVE-2026-56785

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…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N.

Affected products

Flatpress — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56785?: CVE-2026-56785 is a high-severity vulnerability in Flatpress, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2026-06-23.
How severe is CVE-2026-56785?: High severity. CVSS v3 base score is 8.2 out of 10.