---
title: "CVE-2025-10352: Melis Platform CMS Unauthenticated Admin Account Creation"
url: https://erroneo.us/security/cve/CVE-2025-10352/
description: "CVE-2025-10352 (melisplatform/melis-core (Composer (PHP))): Vulnerability in the melis-core module of Melis Technology's Melis Platform, which, if…"
type: vulnerability-record
section: "Security Digest"
date_published: 2025-10-08
date_modified: 2025-12-22
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2025-10352"
kev: false
cvss: 9.3
epss: 0.00327
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2025-10352: Melis Platform CMS Unauthenticated Admin Account Creation

**Signal:** Critical and remotely reachable. No known exploitation yet, but it is network-reachable without credentials. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Not in CISA KEV , but CISA’s SSVC assessment records a public proof-of-concept, so attack code exists.
- EPSS 0.3% , percentile 25: FIRST’s model estimates a 0.3% chance of exploitation activity in the next 30 days, higher than 25% of all scored CVEs (low). EPSS is a probability, not a verdict.
- Remotely reachable with no login and no user interaction. If the vulnerable service is exposed to the internet, prioritize it.
- Only applies if your dependency tree includes melisplatform/melis-core (Composer (PHP)) < 5.3.11, fixed in 5.3.11 . Check your lockfile, including transitive dependencies.

## What it is

Vulnerability in the melis-core module of Melis Technology's Melis Platform, which, if exploited, allows an unauthenticated attacker to create an administrator account via a request to '/melis/MelisCore/ToolUser/addNewUser'.

## Affected packages

- Composer (PHP) `melisplatform/melis-core` < 5.3.11 → fixed: 5.3.11

## Affected products (CVE record)

- Melis Technology Melis Platform: < 5.3.11

## Severity

- INCIBE CVSS 4.0: 9.3 `CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`
- GitHub CVSS 4.0: 9.3 `CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N`

## Exploitation

- CISA KEV: not listed (no confirmed in-the-wild exploitation known to CISA).
- CISA SSVC assessment: exploitation poc , automatable yes , technical impact total .
- FIRST EPSS (model of 2026-10-21): 0.33% probability of exploitation activity in the next 30 days; percentile 25.

## Sources

- [GitHub Advisory GHSA-p3vc-g9f9-mgw4](https://github.com/advisories/GHSA-p3vc-g9f9-mgw4)
- [CVE.org record CVE-2025-10352](https://www.cve.org/CVERecord?id=CVE-2025-10352)
- [NVD entry CVE-2025-10352](https://nvd.nist.gov/vuln/detail/CVE-2025-10352)
- [incibe.es](https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-melis-platform)
- [github.com](https://github.com/ivansmc00/CVE-2025-10352-POC)
- [github.com](https://github.com/melisplatform/melis-core/commit/e938dd14e108b921e6a399b35976dfb429c41df5)

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Source page: https://erroneo.us/security/cve/CVE-2025-10352/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt