CVE-2006-4004: Directory traversal vulnerability in index.php in vbPortal 3.0.2 through 3.6.0 Beta 1, when magic_quotes_gpc i

Q: How do I fix CVE-2006-4004?

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

Q: Is CVE-2006-4004 being exploited?

CVE-2006-4004 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-2006-4004 affect?

CVE-2006-4004 affects vbportal. Severity is medium (CVSS 6.4). Directory traversal vulnerability in index.php in vbPortal 3.0.2 through 3.6.0 Beta 1, when magic_quotes_gpc is disabled, allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the bbvbplan

Q: How urgent is CVE-2006-4004?

Priority 49/100. Public exploit reference

This month

MEDIUM 6.4DOWNGRADE

CVE-2006-4004 is a medium-severity flaw (CVSS 6.4) affecting vbportal. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in index.php in vbPortal 3.0.2 through 3.6.0 Beta 1, when magic_quotes_gpc is disabled, allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the bbvbplang cookie, as demonstrated by injecting PHP sequences into an Apache HTTP Server log file, which is then included by index.php.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.4 (Medium)
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Published	2006-08-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: vbportal

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

Am I affected?

Timeline

2006-08-07 19:04 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

vbportal vbportal DOWNGRADE

Affected: 3.0.2 · 3.5.0_beta_2 · 3.5.0_beta_3 · 3.5.0_gold · 3.6.0_beta_1

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 3.0.2 (Debian / Ubuntu)

apt-cache madison vbportal sudo apt install vbportal=<VERSION_BEFORE_3.0.2> sudo apt-mark hold vbportal

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

dnf --showduplicates list vbportal sudo dnf downgrade vbportal-<VERSION_BEFORE_3.0.2> sudo dnf versionlock add vbportal

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: vbPortal 3.0.2 < 3.6.0 b1 - 'cookie' Remote Code Execution

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-2006-4004?

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

Is CVE-2006-4004 being exploited?

CVE-2006-4004 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-2006-4004 affect?

CVE-2006-4004 affects vbportal. Severity is medium (CVSS 6.4). Directory traversal vulnerability in index.php in vbPortal 3.0.2 through 3.6.0 Beta 1, when magic_quotes_gpc is disabled, allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the bbvbplan

How urgent is CVE-2006-4004?

Priority 49/100. Public exploit reference

Software pages

Apache HTTP Server vulnerabilities · PHP vulnerabilities

References

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