melisplatform/melis-cms vulnerable to deserialization of untrusted data

緊急 9.8CVE-2022-39297 · GHSA-m3m3-6gww-7gj9 · 12/10/2022 公開 · 17/06/2026 更新

要点

CVE-2022-39297 は melisplatform/melis-cms, meliscms (melistechnology) に影響する深刻度「緊急」 (CVSS 9.8) の脆弱性です。
今後30日間に悪用される確率（EPSS）：1.3%（全脆弱性の 69.8% より高い）。
対処：5.0.1 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
melisplatform/melis-cms Packagist	`< 5.0.1`	`5.0.1`
meliscms melistechnology	`< 5.0.1`	`5.0.1`

概要

Impact

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.

Patches

This issue was addressed by restricting allowed classes when deserializing user-controlled data.

References

https://github.com/melisplatform/melis-cms/commit/d124b2474699a679a24ec52620cadceb3d4cec11

For more information

If you have any questions or comments about this advisory, you can contact:

The original reporters, by sending an email to vulnerability.research [at] sonarsource.com;
The maintainers, by opening an issue on this repository.

NVD の説明

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.