CVE-2006-5471: PHP remote file inclusion vulnerability in example/lib/grid3.lib.php in Softerra PHP Developer Library 1.5.3 a

Q: How do I fix CVE-2006-5471?

php developer library: upgrade to newer than 1.5.3. Exact commands for each OS are on this page.

Q: Is CVE-2006-5471 being exploited?

CVE-2006-5471 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-2006-5471 affect?

CVE-2006-5471 affects php developer library. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in example/lib/grid3.lib.php in Softerra PHP Developer Library 1.5.3 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the (1) cfg_dir and (2) lib_dir parameters.

Q: How urgent is CVE-2006-5471?

Priority 53/100. High severity; Public exploit reference

This month

HIGH 7.5UPGRADE

CVE-2006-5471 is a high-severity flaw (CVSS 7.5) affecting php developer library. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in example/lib/grid3.lib.php in Softerra PHP Developer Library 1.5.3 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the (1) cfg_dir and (2) lib_dir parameters.

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	2.9% (top 13%)
CISA exploited list	No
Published	2006-10-24
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: softerra

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

softerra php developer library UPGRADE

Affected: <= 1.5.3

Fixed in: newer than 1.5.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy php-developer-library || rpm -q php-developer-library || php-developer-library --version

2. UPGRADE to newer than 1.5.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade php-developer-library

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade php-developer-library

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: PHPLibrary 1.5.3 - 'grid3.lib.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-2006-5471?

php developer library: upgrade to newer than 1.5.3. Exact commands for each OS are on this page.

Is CVE-2006-5471 being exploited?

CVE-2006-5471 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-2006-5471 affect?

CVE-2006-5471 affects php developer library. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in example/lib/grid3.lib.php in Softerra PHP Developer Library 1.5.3 and earlier allows remote attackers to execute arbitrary PHP code via a URL in the (1) cfg_dir and (2) lib_dir parameters.

How urgent is CVE-2006-5471?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-5473 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in Description.php in Softerra PHP Developer Library 1.5.3 and earlier
CVE-2006-5472 HIGH 7.5 UPGRADE PHP remote file inclusion vulnerability in Softerra PHP Developer Library 1.5.3 and earlier allows remote atta

References

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