MelisCms provides a full CMS for Melis Platform, including templating system, drag'n'drop of plugins, SEO and many administration tools. Attackers can deserialize arbitrary data on affected versions of `melisplatform/melis-cms`, and ultimately leads to the execution of arbitrary PHP code on the system. Conducting this attack does not require authentication. Users should immediately upgrade to `melisplatform/melis-cms` >= 5.0.1. This issue was addressed by restricting allowed classes when deserializing user-controlled data.
Advisories
Source ID Title
EUVD EUVD EUVD-2022-7122 MelisCms provides a full CMS for Melis Platform, including templating system, drag'n'drop of plugins, SEO and many administration tools. Attackers can deserialize arbitrary data on affected versions of `melisplatform/melis-cms`, and ultimately leads to the execution of arbitrary PHP code on the system. Conducting this attack does not require authentication. Users should immediately upgrade to `melisplatform/melis-cms` >= 5.0.1. This issue was addressed by restricting allowed classes when deserializing user-controlled data.
Github GHSA Github GHSA GHSA-m3m3-6gww-7gj9 melisplatform/melis-cms vulnerable to deserialization of untrusted data
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 10 Nov 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-04-23T16:51:20.636Z

Reserved: 2022-09-02T00:00:00.000Z

Link: CVE-2022-39297

cve-icon Vulnrichment

Updated: 2024-08-03T12:00:44.100Z

cve-icon NVD

Status : Modified

Published: 2022-10-12T23:15:09.623

Modified: 2026-06-17T04:58:05.660

Link: CVE-2022-39297

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses