PT-2025-40039 · Nuget · Formcms

Published 2025-09-30 · Updated 2025-09-30

OSV

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

An improper access control vulnerability in FormCms v0.5.4 in the /api/schemas/history/[schemaId] endpoint allows unauthenticated attackers to access historical schema data if a valid schemaId is known or guessed.

Exploit

Fix

Improper Access Control

Information Disclosure

Weakness Enumeration

CWE-284

CWE-200

Related Identifiers

GHSA-6CWX-42HW-W69C

Affected Products

Formcms

References · 6

• 🔥 https://github.com/KKC73/me/tree/main/CVE-2025-55797 · Exploit
• https://osv.dev/vulnerability/GHSA-6cwx-42hw-w69c · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-55797 · Security Note
• https://github.com/FormCms/FormCms · Note
• https://github.com/formcms/formcms/issues/19 · Note
• https://github.com/FormCms · Note