CVE-2006-4161: Directory traversal vulnerability in the avatar_gallery action in profile.php in XennoBB 2.1.0 and earlier all

Q: How do I fix CVE-2006-4161?

xennobb: upgrade to newer than 2.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2006-4161 being exploited?

CVE-2006-4161 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-2006-4161 affect?

CVE-2006-4161 affects xennobb. Severity is medium (CVSS 5.0). Directory traversal vulnerability in the avatar_gallery action in profile.php in XennoBB 2.1.0 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the category parameter.

Q: How urgent is CVE-2006-4161?

Priority 45/100. Public exploit reference

This month

MEDIUM 5.0UPGRADE

CVE-2006-4161 is a medium-severity flaw (CVSS 5.0) affecting xennobb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Directory traversal vulnerability in the avatar_gallery action in profile.php in XennoBB 2.1.0 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the category parameter.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	3.4% (top 11%)
CISA exploited list	No
Published	2006-08-16
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: xennobb

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

Am I affected?

Timeline

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

xennobb xennobb UPGRADE

Affected: <= 2.1.0 · 1.0 · 1.0.1 · 1.0.2 · 1.0.3 · 1.0.4 · 1.0.5

Fixed in: newer than 2.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade xennobb

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xennobb

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: XennoBB 1.0.5/1.0.6/2.1/2.2 - 'profile.php' Directory Traversal

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-2006-4161?

xennobb: upgrade to newer than 2.1.0. Exact commands for each OS are on this page.

Is CVE-2006-4161 being exploited?

CVE-2006-4161 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-2006-4161 affect?

CVE-2006-4161 affects xennobb. Severity is medium (CVSS 5.0). Directory traversal vulnerability in the avatar_gallery action in profile.php in XennoBB 2.1.0 and earlier allows remote attackers to read arbitrary files via a .. (dot dot) in the category parameter.

How urgent is CVE-2006-4161?

Priority 45/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-4279 HIGH 7.5 DOWNGRADE SQL injection vulnerability in topic_post.php in XennoBB 2.2.1 and earlier allows remote attackers to execute
CVE-2006-4025 HIGH 7.5 UPGRADE SQL injection vulnerability in profile.php in XennoBB 2.1.0 and earlier allows remote authenticated users to e
CVE-2006-3241 LOW 2.6 DOWNGRADE Cross-site scripting (XSS) vulnerability in messages.php in XennoBB 1.0.5 and earlier allows remote attackers

References

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