CVE-2022-39298: MelisFront is the engine that displays website hosted on Melis Platform

Q: How do I fix CVE-2022-39298?

meliscms: upgrade to 5.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2022-39298 being exploited?

CVE-2022-39298 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2022-39298 affect?

CVE-2022-39298 affects meliscms. Severity is high (CVSS 7.7). 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

Q: How urgent is CVE-2022-39298?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.7REMOTEUPGRADE

CVE-2022-39298 is a high-severity flaw (CVSS 7.7) affecting meliscms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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`

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.7 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Weakness	CWE-502
Published	2022-10-12
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: melistechnology

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2022-10-12 23:15 UTCPublished CVE record published
2026-06-17 04:58 UTCUpdated Record last modified

melistechnology meliscms UPGRADE

Affected: < 5.0.1

Fixed in: 5.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy meliscms || rpm -q meliscms || meliscms --version

2. UPGRADE to 5.0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade meliscms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade meliscms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2022-39298?

meliscms: upgrade to 5.0.1. Exact commands for each OS are on this page.

Is CVE-2022-39298 being exploited?

CVE-2022-39298 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2022-39298 affect?

CVE-2022-39298 affects meliscms. Severity is high (CVSS 7.7). 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

How urgent is CVE-2022-39298?

Priority 49/100. High severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2022-39297 HIGH 7.7 UPGRADE MelisCms provides a full CMS for Melis Platform, including templating system, drag'n'drop of plugins, SEO and

References

← Back to latest CVEs