Vulnerability in Formcms

CVE-2025-55797

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.

EPSS: 0.003 (23.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.

Affected products

  • Formcms — versions 0.5.4
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-55797?
CVE-2025-55797 is a medium-severity vulnerability in Formcms, classified under Improper Access Control. CVSS score: 6.5/10. Published 2025-09-30.
How severe is CVE-2025-55797?
Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2025-55797 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.