CVE-2022-39297

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.

• CWE-502
• CWE-502

• https://github.com/melisplatform/melis-cms/commit/d124b2474699a679a24ec52620cadceb3d4cec11Patch, Third Party Advisory
• https://github.com/melisplatform/melis-cms/security/advisories/GHSA-m3m3-6gww-7gj9Third Party Advisory
• https://github.com/melisplatform/melis-cms/commit/d124b2474699a679a24ec52620cadceb3d4cec11Patch, Third Party Advisory
• https://github.com/melisplatform/melis-cms/security/advisories/GHSA-m3m3-6gww-7gj9Third Party Advisory

Published

Oct 12, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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