CVE-2006-4008: PHP remote file inclusion vulnerability in index.php in Knusperleicht Faq 1.0 allows remote attackers to execu

This month

HIGH 7.5DOWNGRADE

CVE-2006-4008 is a high-severity flaw (CVSS 7.5) affecting faq. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in index.php in Knusperleicht Faq 1.0 allows remote attackers to execute arbitrary PHP code via a URL in the faq_path parameter.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Published	2006-08-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: knusperleicht

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

knusperleicht faq DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison faq sudo apt install faq=<VERSION_BEFORE_1.0> sudo apt-mark hold faq

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

dnf --showduplicates list faq sudo dnf downgrade faq-<VERSION_BEFORE_1.0> sudo dnf versionlock add faq

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: Knusperleicht FAQ 1.0 Script - 'index.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-2006-4008?

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

Is CVE-2006-4008 being exploited?

CVE-2006-4008 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-2006-4008 affect?

CVE-2006-4008 affects faq. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in index.php in Knusperleicht Faq 1.0 allows remote attackers to execute arbitrary PHP code via a URL in the faq_path parameter.

How urgent is CVE-2006-4008?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2021-21438 LOW 3.5 UPGRADE UPGRADE Agents are able to see linked FAQ articles without permissions (defined in FAQ Category)
CVE-2016-5843 CRITICAL 9.4 DOWNGRADE Multiple SQL injection vulnerabilities in the FAQ package 2.x before 2.3.6, 4.x before 4.0.5, and 5.x before 5
CVE-2013-2637 MEDIUM 6.1 UPGRADE UPGRADE A Cross-Site Scripting (XSS) Vulnerability exists in OTRS ITSM prior to 3.2.4, 3.1.8, and 3.0.7 and FAQ prior
CVE-2013-2625 MEDIUM 6.5 UPGRADE UPGRADE An Access Bypass issue exists in OTRS Help Desk before 3.2.4, 3.1.14, and 3.0.19, OTRS ITSM before 3.2.3, 3.1.
CVE-2012-1646 MEDIUM 4.3 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in the FAQ module 6.x-1.x before 6.x-1.13 and 7.x-1.x-rc1

References

← Back to latest CVEs