Arbitrary file upload in Epiphyt Form Block

CVE-2025-54693

Unrestricted Upload of File with Dangerous Type vulnerability in epiphyt Form Block form-block allows Upload a Web Shell to a Web Server.This issue affects Form Block: from n/a through <= 1.5.5.

Vulnerability class: Unrestricted File Upload

EPSS: 0.003 (19.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-54693?
CVE-2025-54693 is a critical-severity vulnerability in Epiphyt Form Block, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.0/10. Published 2025-08-14.
How severe is CVE-2025-54693?
Critical severity. CVSS v3 base score is 9.0 out of 10.