CVE-2007-1372: PHP remote file inclusion vulnerability in styles/internal/header.php in the PostGuestbook 0.6.1 module for PH

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HIGH 10.0DOWNGRADE

CVE-2007-1372 is a high-severity flaw (CVSS 10.0) affecting postguestbook. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in styles/internal/header.php in the PostGuestbook 0.6.1 module for PHP-Nuke allows remote attackers to execute arbitrary PHP code via a URL in the tpl_pgb_moddir parameter.

Why this priority

Critical severity
EPSS top 9%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	10.0 (High)
EPSS exploit chance	4.1% (top 9%)
CISA exploited list	No
Published	2007-03-10
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: postguestbook

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

Am I affected?

Timeline

2007-03-10 00:19 UTCPublished CVE record published
2026-06-16 22:37 UTCUpdated Record last modified

postguestbook postguestbook DOWNGRADE

Affected: 0.6.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.6.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.6.1 (Debian / Ubuntu)

apt-cache madison postguestbook sudo apt install postguestbook=<VERSION_BEFORE_0.6.1> sudo apt-mark hold postguestbook

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

dnf --showduplicates list postguestbook sudo dnf downgrade postguestbook-<VERSION_BEFORE_0.6.1> sudo dnf versionlock add postguestbook

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: PHP-Nuke Module PostGuestbook 0.6.1 - 'tpl_pgb_moddir' 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-2007-1372?

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

Is CVE-2007-1372 being exploited?

CVE-2007-1372 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-2007-1372 affect?

CVE-2007-1372 affects postguestbook. Severity is high (CVSS 10.0). PHP remote file inclusion vulnerability in styles/internal/header.php in the PostGuestbook 0.6.1 module for PHP-Nuke allows remote attackers to execute arbitrary PHP code via a URL in the tpl_pgb_moddir parameter.

How urgent is CVE-2007-1372?

Priority 63/100. Critical severity; EPSS top 9%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

References

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