CVE-2006-4968: PHP remote file inclusion vulnerability in includes/functions_admin.php in PNphpBB 1.2g allows remote attacker

Q: How do I fix CVE-2006-4968?

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

Q: Is CVE-2006-4968 being exploited?

CVE-2006-4968 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-2006-4968 affect?

CVE-2006-4968 affects pnphpbb. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in includes/functions_admin.php in PNphpBB 1.2g allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter.

Q: How urgent is CVE-2006-4968?

Priority 55/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

This week

HIGH 7.5DOWNGRADE

CVE-2006-4968 is a high-severity flaw (CVSS 7.5) affecting pnphpbb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in includes/functions_admin.php in PNphpBB 1.2g allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter.

Why this priority

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

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	9.9% (top 4%)
CISA exploited list	No
Published	2006-09-25
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: postnuke software foundation

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

Am I affected?

Timeline

2006-09-25 01:07 UTCPublished CVE record published
2026-06-16 22:30 UTCUpdated Record last modified

postnuke software foundation pnphpbb DOWNGRADE

Affected: 1.2g

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.2g

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.2g (Debian / Ubuntu)

apt-cache madison pnphpbb sudo apt install pnphpbb=<VERSION_BEFORE_1.2g> sudo apt-mark hold pnphpbb

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

dnf --showduplicates list pnphpbb sudo dnf downgrade pnphpbb-<VERSION_BEFORE_1.2g> sudo dnf versionlock add pnphpbb

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: PNPHPBB2 < 1.2g - 'phpbb_root_path' 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-2006-4968?

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

Is CVE-2006-4968 being exploited?

CVE-2006-4968 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-2006-4968 affect?

CVE-2006-4968 affects pnphpbb. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in includes/functions_admin.php in PNphpBB 1.2g allows remote attackers to execute arbitrary PHP code via a URL in the phpbb_root_path parameter.

How urgent is CVE-2006-4968?

Priority 55/100. High severity; EPSS top 4%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2007-6624 MEDIUM 6.8 DOWNGRADE Directory traversal vulnerability in printview.php in PNphpBB2 1.2i and earlier allows remote attackers to inc
CVE-2007-3052 HIGH 7.5 UPGRADE SQL injection vulnerability in index.php in the PNphpBB2 1.2i and earlier module for PostNuke allows remote at

References

← Back to latest CVEs