What is CVE-2022-39298?

CVE-2022-39298 is a high-severity vulnerability in Melisplatform Melis-Front, classified under Deserialization of Untrusted Data. CVSS score: 7.7/10. Published 2022-10-12.

How severe is CVE-2022-39298?

High severity. CVSS v3 base score is 7.7 out of 10.

Deserialization in Melisplatform Melis-Front

CVE-2022-39298

MelisFront is the engine that displays website hosted on Melis Platform. It deals with showing pages, plugins, URL rewritting, search optimization and SEO, etc. Attackers can deserialize arbitrary data on affected versions of `melisplatform/melis-front`, 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-front` >= 5.0.1. This issue was addressed by restricting allowed classes when deserializing user-controlled data.

Vulnerability class: Insecure Deserialization

EPSS: 0.010 (60.4th percentile) — read the EPSS interpretation.

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.

Affected products

Melisplatform Melis-front — versions <= 5.0.0
Melistechnology Meliscms

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

security-advisories@github.com (Third Party Advisory)
security-advisories@github.com (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-39298?: CVE-2022-39298 is a high-severity vulnerability in Melisplatform Melis-Front, classified under Deserialization of Untrusted Data. CVSS score: 7.7/10. Published 2022-10-12.
How severe is CVE-2022-39298?: High severity. CVSS v3 base score is 7.7 out of 10.