Auth bypass in 1234n Minicms

CVE-2025-15456

A vulnerability has been found in bg5sbk MiniCMS up to 1.8. The affected element is an unknown function of the file /mc-admin/page-edit.php of the component Publish Page Handler. Such manipulation leads to improper authentication. The attack may be performed from remote. The exploit has been disclosed to the public and may be used. The existence of this vulnerability is still disputed at present. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (36.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 36th percentile — 36.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-15456: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Weakness classification (CWE)

References

  • vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
  • vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
  • github.com/ueh1013/VULN/issues/13 (issue-tracking, Exploit, Third Party Advisory, exploit, Issue Tracking)

Frequently asked questions

What is CVE-2025-15456?
CVE-2025-15456 is a high-severity vulnerability in 1234n Minicms, classified under Improper Authentication. CVSS score: 7.3/10. Published 2026-01-05.
How severe is CVE-2025-15456?
High severity. CVSS v3 base score is 7.3 out of 10.