Deserialization in Melisplatform Melis-Cms
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.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L.
EPSS exploit prediction
EPSS: 0.010 (62.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: +0.000
Affected products
- Melisplatform Melis-Cms — versions <= 5.0.0
- Melistechnology Meliscms
Weakness classification (CWE)
References
- github.com/melisplatform/melis-cms/security/advisories/GHSA-m3m3-6gww-7gj9 (Third Party Advisory)
- github.com/melisplatform/melis-cms/commit/d124b2474699a679a24ec52620cadceb3d4ce… (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-39297?
- CVE-2022-39297 is a high-severity vulnerability in Melisplatform Melis-Cms, classified under Deserialization of Untrusted Data. CVSS score: 7.7/10. Published 2022-10-12.
- How severe is CVE-2022-39297?
- High severity. CVSS v3 base score is 7.7 out of 10.