CVE-2024-4812: A flaw was found in the Katello plugin for Foreman, where it is possible to store malicious JavaScript code in

Routine

MEDIUM 4.8WATCHLISTMITIGATEDOWNGRADE

CVE-2024-4812 is a medium-severity flaw (CVSS 4.8) affecting katello, satellite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw was found in the Katello plugin for Foreman, where it is possible to store malicious JavaScript code in the "Description" field of a user. This code can be executed when opening certain pages, for example, Host Collections.

Why this priority

On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-06-05
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: katello project · redhat

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

Am I affected?

Timeline

2024-06-05 15:15 UTCPublished CVE record published
2026-06-17 08:02 UTCUpdated Record last modified

katello project katello MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

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

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

redhat satellite DOWNGRADE

Affected: 6.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 6.0 (Debian / Ubuntu)

apt-cache madison satellite sudo apt install satellite=<VERSION_BEFORE_6.0> sudo apt-mark hold satellite

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list satellite sudo dnf downgrade satellite-<VERSION_BEFORE_6.0> sudo dnf versionlock add satellite

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2024-4812?

katello: mitigate or apply the listed mitigation; satellite: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-4812 being exploited?

CVE-2024-4812 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-2024-4812 affect?

CVE-2024-4812 affects katello, satellite. Severity is medium (CVSS 4.8). A flaw was found in the Katello plugin for Foreman, where it is possible to store malicious JavaScript code in the "Description" field of a user. This code can be executed when opening certain pages, for example, Host Collections.

How urgent is CVE-2024-4812?

Priority 27/100. On your watchlist

References

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