High severity7.7NVD Advisory· Published Oct 12, 2022· Updated Jun 17, 2026
CVE-2022-39297
CVE-2022-39297
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
melisplatform/melis-cmsPackagist | < 5.0.1 | 5.0.1 |
Affected products
3- Range: <= 5.0.0
Patches
Vulnerability mechanics
References
4- github.com/melisplatform/melis-cms/commit/d124b2474699a679a24ec52620cadceb3d4cec11nvdPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-m3m3-6gww-7gj9ghsaADVISORY
- github.com/melisplatform/melis-cms/security/advisories/GHSA-m3m3-6gww-7gj9nvdThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2022-39297ghsaADVISORY
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