CVE-2006-5480: PHP remote file inclusion vulnerability in lib/rs.php in 2le.net Castor PHP Web Builder 1.1.1 allows remote at

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MEDIUM 5.1DOWNGRADE

CVE-2006-5480 is a medium-severity flaw (CVSS 5.1) affecting php web builder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in lib/rs.php in 2le.net Castor PHP Web Builder 1.1.1 allows remote attackers to execute arbitrary PHP code via the rootpath parameter.

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	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-94
Published	2006-10-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: castor

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

Am I affected?

Timeline

2006-10-24 20:07 UTCPublished CVE record published
2026-06-16 22:31 UTCUpdated Record last modified

castor php web builder DOWNGRADE

Affected: 1.1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1.1

1. Check installed version

apt-cache policy php-web-builder || rpm -q php-web-builder || php-web-builder --version

2. No fixed release: DOWNGRADE to a release before 1.1.1 (Debian / Ubuntu)

apt-cache madison php-web-builder sudo apt install php-web-builder=<VERSION_BEFORE_1.1.1> sudo apt-mark hold php-web-builder

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

dnf --showduplicates list php-web-builder sudo dnf downgrade php-web-builder-<VERSION_BEFORE_1.1.1> sudo dnf versionlock add php-web-builder

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: CASTOR 1.1.1 - '/lib/rs.php' 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-2006-5480?

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

Is CVE-2006-5480 being exploited?

CVE-2006-5480 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-2006-5480 affect?

CVE-2006-5480 affects php web builder. Severity is medium (CVSS 5.1). PHP remote file inclusion vulnerability in lib/rs.php in 2le.net Castor PHP Web Builder 1.1.1 allows remote attackers to execute arbitrary PHP code via the rootpath parameter.

How urgent is CVE-2006-5480?

Priority 44/100. Public exploit reference

Software pages

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References

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