CVE-2006-4191: Directory traversal vulnerability in memcp.php in XMB (Extreme Message Board) 1.9.6 and earlier allows remote

Q: How do I fix CVE-2006-4191?

extreme message board: upgrade to newer than 1.9.6. Exact commands for each OS are on this page.

Q: Is CVE-2006-4191 being exploited?

CVE-2006-4191 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-2006-4191 affect?

CVE-2006-4191 affects extreme message board. Severity is medium (CVSS 5.1). Directory traversal vulnerability in memcp.php in XMB (Extreme Message Board) 1.9.6 and earlier allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the langfilenew parameter, as demonstr

Q: How urgent is CVE-2006-4191?

Priority 47/100. EPSS top 4%: very likely to be exploited; Public exploit reference

This week

MEDIUM 5.1UPGRADE

CVE-2006-4191 is a medium-severity flaw (CVSS 5.1) affecting extreme message board. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in memcp.php in XMB (Extreme Message Board) 1.9.6 and earlier allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the langfilenew parameter, as demonstrated by injecting PHP sequences into an Apache HTTP Server log file, which is then included by header.php.

Why this priority

EPSS top 4%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.1 (Medium)
EPSS exploit chance	9.9% (top 4%)
CISA exploited list	No
Published	2006-08-17
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: xmb software

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

Am I affected?

Timeline

2006-08-17 01:04 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

xmb software extreme message board UPGRADE

Affected: <= 1.9.6

Fixed in: newer than 1.9.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy extreme-message-board || rpm -q extreme-message-board || extreme-message-board --version

2. UPGRADE to newer than 1.9.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade extreme-message-board

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade extreme-message-board

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: XMB 1.9.6 Final - 'basename()' Remote Command 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-2006-4191?

extreme message board: upgrade to newer than 1.9.6. Exact commands for each OS are on this page.

Is CVE-2006-4191 being exploited?

CVE-2006-4191 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-2006-4191 affect?

CVE-2006-4191 affects extreme message board. Severity is medium (CVSS 5.1). Directory traversal vulnerability in memcp.php in XMB (Extreme Message Board) 1.9.6 and earlier allows remote attackers to include and execute arbitrary local files via directory traversal sequences in the langfilenew parameter, as demonstr

How urgent is CVE-2006-4191?

Priority 47/100. EPSS top 4%: very likely to be exploited; Public exploit reference

Software pages

Apache HTTP Server vulnerabilities · PHP vulnerabilities

References

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