CVE-2006-5678: PHP remote file inclusion vulnerability in common/visiteurs/include/library.inc.php in J-Pierre DEZELUS Les Vi

This week

CRITICAL 9.8REMOTEDOWNGRADEDOWNGRADE

CVE-2006-5678 is a critical-severity flaw (CVSS 9.8) affecting les visiteurs, phpmyconferences. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in common/visiteurs/include/library.inc.php in J-Pierre DEZELUS Les Visiteurs 2.0.1, as used in phpMyConferences (phpMyConference) 8.0.2 and possibly other products, allows remote attackers to execute arbitrary PHP code via a URL in the lvc_modules_dir parameter. NOTE: CVE disputes this vulnerability, because the inclusion occurs in a function that is not called during a direct request to library.inc.php

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Published	2006-11-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: j-pierre dezelus · phpmyconferences

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

Am I affected?

Timeline

2006-11-03 11:07 UTCPublished CVE record published
2026-06-16 22:31 UTCUpdated Record last modified

j-pierre dezelus les visiteurs DOWNGRADE

Affected: 2.0.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.1

1. Check installed version

apt-cache policy les-visiteurs || rpm -q les-visiteurs || les-visiteurs --version

2. No fixed release: DOWNGRADE to a release before 2.0.1 (Debian / Ubuntu)

apt-cache madison les-visiteurs sudo apt install les-visiteurs=<VERSION_BEFORE_2.0.1> sudo apt-mark hold les-visiteurs

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

dnf --showduplicates list les-visiteurs sudo dnf downgrade les-visiteurs-<VERSION_BEFORE_2.0.1> sudo dnf versionlock add les-visiteurs

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.

phpmyconferences phpmyconferences DOWNGRADE

Affected: 8.0.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0.2

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 8.0.2 (Debian / Ubuntu)

apt-cache madison phpmyconferences sudo apt install phpmyconferences=<VERSION_BEFORE_8.0.2> sudo apt-mark hold phpmyconferences

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

dnf --showduplicates list phpmyconferences sudo dnf downgrade phpmyconferences-<VERSION_BEFORE_8.0.2> sudo dnf versionlock add phpmyconferences

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.

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-2006-5678?

les visiteurs: downgrade or apply the listed mitigation; phpmyconferences: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-5678 being exploited?

CVE-2006-5678 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-2006-5678 affect?

CVE-2006-5678 affects les visiteurs, phpmyconferences. Severity is critical (CVSS 9.8). PHP remote file inclusion vulnerability in common/visiteurs/include/library.inc.php in J-Pierre DEZELUS Les Visiteurs 2.0.1, as used in phpMyConferences (phpMyConference) 8.0.2 and possibly other products, allows remote attackers to execute

How urgent is CVE-2006-5678?

Priority 64/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-5310 MEDIUM 6.8 DOWNGRADE UPGRADE PHP remote file inclusion vulnerability in common/visiteurs/include/menus.inc.php in J-Pierre DEZELUS Les Visi
CVE-2003-1148 HIGH 7.5 DOWNGRADE Multiple PHP remote file inclusion vulnerabilities in J-Pierre DEZELUS Les Visiteurs 2.0.1, as used in phpMyCo

References

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