CVE-2006-4609: Multiple PHP remote file inclusion vulnerabilities in the Content Management module ("Content manager") for PH

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MEDIUM 5.1DOWNGRADE

CVE-2006-4609 is a medium-severity flaw (CVSS 5.1) affecting phpprojekt. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple PHP remote file inclusion vulnerabilities in the Content Management module ("Content manager") for PHProjekt 0.6.1, when register_globals is enabled, allow remote attackers to execute arbitrary PHP code via the path_pre parameter in (1) cm_lib.inc.php, (2) doc/br.edithelp.php, (3) doc/de.edithelp.php, (4) doc/ct.edithelp.php, (5) userrating.php, and (6) listing.php, a different set of vectors than CVE-2006-4204. NOTE: a third-party rese

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.1 (Medium)
EPSS exploit chance	3.0% (top 13%)
CISA exploited list	No
Published	2006-09-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phpprojekt

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

Am I affected?

Timeline

2006-09-07 00:04 UTCPublished CVE record published
2026-06-16 22:29 UTCUpdated Record last modified

phpprojekt phpprojekt DOWNGRADE

Affected: 0.6.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.6.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.6.1 (Debian / Ubuntu)

apt-cache madison phpprojekt sudo apt install phpprojekt=<VERSION_BEFORE_0.6.1> sudo apt-mark hold phpprojekt

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

dnf --showduplicates list phpprojekt sudo dnf downgrade phpprojekt-<VERSION_BEFORE_0.6.1> sudo dnf versionlock add phpprojekt

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: PHProjekt Content Management Module 0.6.1 - Multiple Remote File Inclusions

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-2006-4609?

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

Is CVE-2006-4609 being exploited?

CVE-2006-4609 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-2006-4609 affect?

CVE-2006-4609 affects phpprojekt. Severity is medium (CVSS 5.1). Multiple PHP remote file inclusion vulnerabilities in the Content Management module ("Content manager") for PHProjekt 0.6.1, when register_globals is enabled, allow remote attackers to execute arbitrary PHP code via the path_pre parameter i

How urgent is CVE-2006-4609?

Priority 45/100. Public exploit reference

Software pages

PHP vulnerabilities

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References

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