CVE-2006-2152: PHP remote file inclusion vulnerability in admin/addentry.php in phpBB Advanced Guestbook 2.4.0 and earlier, w

Q: How do I fix CVE-2006-2152?

phpbb advanced guestbook: upgrade to newer than 2.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2006-2152 being exploited?

CVE-2006-2152 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-2006-2152 affect?

CVE-2006-2152 affects phpbb advanced guestbook. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in admin/addentry.php in phpBB Advanced Guestbook 2.4.0 and earlier, when register_globals is enabled, allows remote attackers to include arbitrary files via the phpbb_root_path parameter.

Q: How urgent is CVE-2006-2152?

Priority 55/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

This week

HIGH 7.5UPGRADE

CVE-2006-2152 is a high-severity flaw (CVSS 7.5) affecting phpbb advanced guestbook. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PHP remote file inclusion vulnerability in admin/addentry.php in phpBB Advanced Guestbook 2.4.0 and earlier, when register_globals is enabled, allows remote attackers to include arbitrary files via the phpbb_root_path parameter.

Why this priority

High severity
EPSS top 5%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	8.5% (top 5%)
CISA exploited list	No
Published	2006-05-03
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: phpbb group

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

Am I affected?

Timeline

2006-05-03 10:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

phpbb group phpbb advanced guestbook UPGRADE

Affected: <= 2.4.0

Fixed in: newer than 2.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy phpbb-advanced-guestbook || rpm -q phpbb-advanced-guestbook || phpbb-advanced-guestbook --version

2. UPGRADE to newer than 2.4.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade phpbb-advanced-guestbook

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade phpbb-advanced-guestbook

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: Advanced Guestbook 2.4.0 - 'phpBB' 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-2006-2152?

phpbb advanced guestbook: upgrade to newer than 2.4.0. Exact commands for each OS are on this page.

Is CVE-2006-2152 being exploited?

CVE-2006-2152 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-2006-2152 affect?

CVE-2006-2152 affects phpbb advanced guestbook. Severity is high (CVSS 7.5). PHP remote file inclusion vulnerability in admin/addentry.php in phpBB Advanced Guestbook 2.4.0 and earlier, when register_globals is enabled, allows remote attackers to include arbitrary files via the phpbb_root_path parameter.

How urgent is CVE-2006-2152?

Priority 55/100. High severity; EPSS top 5%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

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References

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