CVE-2006-2137: PHP remote file inclusion vulnerability in master.php in OpenPHPNuke and 2.3.3 earlier allows remote attackers

Q: How do I fix CVE-2006-2137?

openphpnuke: upgrade to newer than 2.3.3. Exact commands for each OS are on this page.

Q: Is CVE-2006-2137 being exploited?

CVE-2006-2137 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-2006-2137 affect?

CVE-2006-2137 affects openphpnuke. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in master.php in OpenPHPNuke and 2.3.3 earlier allows remote attackers to execute arbitrary PHP code via a URL in the root_path parameter.

Q: How urgent is CVE-2006-2137?

Priority 54/100. High severity; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2006-2137 is a high-severity flaw (CVSS 7.5) affecting openphpnuke. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in master.php in OpenPHPNuke and 2.3.3 earlier allows remote attackers to execute arbitrary PHP code via a URL in the root_path parameter.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	3.7% (top 10%)
CISA exploited list	No
Published	2006-05-02
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: openphpnuke

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

Am I affected?

Timeline

2006-05-02 10:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

openphpnuke openphpnuke UPGRADE

Affected: <= 2.3.3

Fixed in: newer than 2.3.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.3.3 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade openphpnuke

Note

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

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: openPHPNuke 2.3.3 - Remote 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-2006-2137?

openphpnuke: upgrade to newer than 2.3.3. Exact commands for each OS are on this page.

Is CVE-2006-2137 being exploited?

CVE-2006-2137 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-2006-2137 affect?

CVE-2006-2137 affects openphpnuke. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in master.php in OpenPHPNuke and 2.3.3 earlier allows remote attackers to execute arbitrary PHP code via a URL in the root_path parameter.

How urgent is CVE-2006-2137?

Priority 54/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

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