CVE-2004-2018: PHP remote file inclusion vulnerability in index.php in Php-Nuke 6.x through 7.3 allows remote attackers to ex

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HIGH 7.5DOWNGRADE

CVE-2004-2018 is a high-severity flaw (CVSS 7.5) affecting php-nuke. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in index.php in Php-Nuke 6.x through 7.3 allows remote attackers to execute arbitrary PHP code by modifying the modpath parameter to reference a URL on a remote web server that contains the code.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	3.8% (top 10%)
CISA exploited list	No
Published	2004-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: francisco burzi

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2004-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:08 UTCUpdated Record last modified

francisco burzi php-nuke DOWNGRADE

Affected: 6.0 · 6.5 · 6.5_beta1 · 6.5_final · 6.5_rc1 · 6.5_rc2 · 6.5_rc3 · 6.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.0

1. Check installed version

apt-cache policy php-nuke || rpm -q php-nuke || php-nuke --version

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

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

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

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

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: PHP-Nuke 6.x/7.x - 'Modpath' File Inclusion

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-2004-2018?

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

Is CVE-2004-2018 being exploited?

CVE-2004-2018 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-2004-2018 affect?

CVE-2004-2018 affects php-nuke. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in index.php in Php-Nuke 6.x through 7.3 allows remote attackers to execute arbitrary PHP code by modifying the modpath parameter to reference a URL on a remote web server that contains the code.

How urgent is CVE-2004-2018?

Priority 54/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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