What is CVE-2026-104814?

CVE-2026-104814 is a high-severity vulnerability in Epiphyt Form Block, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-10-06.

How severe is CVE-2026-104814?

High severity. CVSS v3 base score is 7.1 out of 10.

XSS in Epiphyt Form Block

CVE-2026-104814

Unauthenticated Cross Site Scripting (XSS) in Form Block <= 1.8.1 versions.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-06 · last modified 2026-10-06.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Epiphyt Form Block

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

patchstack.com/database/wordpress/plugin/form-block/vulnerability/wordpress-for… (vdb-entry)

Frequently asked questions

What is CVE-2026-104814?: CVE-2026-104814 is a high-severity vulnerability in Epiphyt Form Block, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-10-06.
How severe is CVE-2026-104814?: High severity. CVSS v3 base score is 7.1 out of 10.