CVE-2022-39297

Deserialization of untrusted data in MelisCms

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.

Category

7.7
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.08%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: melisplatform melis-cms
Published at:
Updated at:

References

Link Tags
https://github.com/melisplatform/melis-cms/security/advisories/GHSA-m3m3-6gww-7gj9 third party advisory
https://github.com/melisplatform/melis-cms/commit/d124b2474699a679a24ec52620cadceb3d4cec11 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-39297?
CVE-2022-39297 has been scored as a high severity vulnerability.
How to fix CVE-2022-39297?
To fix CVE-2022-39297, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-39297 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-39297 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-39297?
CVE-2022-39297 affects melisplatform melis-cms.
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