CVE-2024-32391: Cross Site Scripting vulnerability in MacCMS v.10 v.2024.1000.3000 allows a remote attacker to execute arbitra

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HIGH 7.3DOWNGRADE

CVE-2024-32391 is a high-severity flaw (CVSS 7.3) affecting maccms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross Site Scripting vulnerability in MacCMS v.10 v.2024.1000.3000 allows a remote attacker to execute arbitrary code via a crafted payload.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.9% (top 40%)
CISA exploited list	No
Weakness	CWE-79
Published	2024-04-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: maccms

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

Am I affected?

Timeline

2024-04-19 21:15 UTCPublished CVE record published
2026-06-17 07:29 UTCUpdated Record last modified

maccms maccms DOWNGRADE

Affected: 10.0 2024.1000.3000

Fixed in: no fixed release known

Safe to downgrade to: a release before 10.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 10.0 (Debian / Ubuntu)

apt-cache madison maccms sudo apt install maccms=<VERSION_BEFORE_10.0> sudo apt-mark hold maccms

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

dnf --showduplicates list maccms sudo dnf downgrade maccms-<VERSION_BEFORE_10.0> sudo dnf versionlock add maccms

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-2024-32391?

maccms: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2024-32391 being exploited?

CVE-2024-32391 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-2024-32391 affect?

CVE-2024-32391 affects maccms. Severity is high (CVSS 7.3). Cross Site Scripting vulnerability in MacCMS v.10 v.2024.1000.3000 allows a remote attacker to execute arbitrary code via a crafted payload.

How urgent is CVE-2024-32391?

Priority 46/100. High severity; Public exploit reference

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References

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