Vulnerability · Published Oct 12, 2022 · Assigned by GitHub_M

CVE-2022-39298Deserialization of untrusted data in MelisFront

High 7.7

In plain English

A high-severity unsafe deserialization in melis-front from melisplatform. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 70% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.7High
Exploit odds (30 days)1.3%top 30.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistmelisplatform/melis-front5.0.1GHSA-h479-2mv4-5c26

Affected products (as reported)

VendorProductVersions
melisplatform melis-front <= 5.0.0

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

References