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Critical, CVSS 9.3

Melis Platform CMS Unauthenticated File Upload Leading to RCE

CVE-2025-10353GHSA-chw4-gjvw-3gxc

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (melisplatform/melis-cms-slider 5.3.1), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
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 · score source
EPSS
  • CVE-2025-10353: 2.66% estimated exploitation activity in the next 30 days; percentile 85.71 (FIRST EPSS, 2026-11-03). This is a model estimate, not proof of exploitation or customer exposure.
Source description

As published by the source; long descriptions are shortened.

File upload leading to remote code execution (RCE) in the “melis-cms-slider” module of Melis Technology's Melis Platform. This vulnerability allows an attacker to upload a malicious file via a POST request to '/melis/MelisCmsSlider/MelisCmsSliderDetails/saveDetailsForm' using the 'mcsdetailimg' parameter.

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 1 · created ·

    Published from ghsa record GHSA-chw4-gjvw-3gxc

Agent brief

Preview the exact text before you copy it. Commands are read-only suggestions; review them before running anything.

# Patch Next advisory brief: CVE-2025-10353

Advisory: Melis Platform CMS Unauthenticated File Upload Leading to RCE
IDs: CVE-2025-10353, GHSA-chw4-gjvw-3gxc
Record: https://patchnext.com/advisories/cve-2025-10353 (revision 1, source checked 26 Oct 2026, 14:34 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Critical (CVSS 9.3)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: melisplatform/melis-cms-slider 5.3.1. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist melisplatform/melis-cms-slider: affected < 5.3.1; fixed in 5.3.1

## Suggested inspection (read-only)
- Packagist melisplatform/melis-cms-slider: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on melisplatform/melis-cms-slider.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-chw4-gjvw-3gxc (GitHub-reviewed advisory GHSA-chw4-gjvw-3gxc lists affected ranges: Packagist melisplatform/melis-cms-slider >=0 <5.3.1)

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