CVE-2006-4788: PHP remote file inclusion vulnerability in includes/log.inc.php in Telekorn SignKorn Guestbook (SL) 1.3 and ea

Q: How do I fix CVE-2006-4788?

signkorn guestbook: upgrade to newer than 1.3. Exact commands for each OS are on this page.

Q: Is CVE-2006-4788 being exploited?

CVE-2006-4788 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-2006-4788 affect?

CVE-2006-4788 affects signkorn guestbook. Severity is medium (CVSS 5.1). PHP remote file inclusion vulnerability in includes/log.inc.php in Telekorn SignKorn Guestbook (SL) 1.3 and earlier, when register_globals is enabled and _SESSION[permission] parameter is set to "yes", allows remote attackers to execute arb

Q: How urgent is CVE-2006-4788?

Priority 47/100. EPSS top 5%: very likely to be exploited; Public exploit reference

This month

MEDIUM 5.1UPGRADE

CVE-2006-4788 is a medium-severity flaw (CVSS 5.1) affecting signkorn 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 includes/log.inc.php in Telekorn SignKorn Guestbook (SL) 1.3 and earlier, when register_globals is enabled and _SESSION[permission] parameter is set to "yes", allows remote attackers to execute arbitrary PHP code via a URL in the dir_path parameter.

Why this priority

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

A fixed release or distro patch exists.

Risk facts

CVSS score	5.1 (Medium)
EPSS exploit chance	7.8% (top 5%)
CISA exploited list	No
Published	2006-09-14
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: telekorn

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

Am I affected?

Timeline

2006-09-14 10:07 UTCPublished CVE record published
2026-06-16 22:29 UTCUpdated Record last modified

telekorn signkorn guestbook UPGRADE

Affected: <= 1.3 · 1.1 · 1.2

Fixed in: newer than 1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy signkorn-guestbook || rpm -q signkorn-guestbook || signkorn-guestbook --version

2. UPGRADE to newer than 1.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade signkorn-guestbook

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade signkorn-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: Telekorn Signkorn Guestbook 1.3 - 'dir_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-2006-4788?

signkorn guestbook: upgrade to newer than 1.3. Exact commands for each OS are on this page.

Is CVE-2006-4788 being exploited?

CVE-2006-4788 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-2006-4788 affect?

CVE-2006-4788 affects signkorn guestbook. Severity is medium (CVSS 5.1). PHP remote file inclusion vulnerability in includes/log.inc.php in Telekorn SignKorn Guestbook (SL) 1.3 and earlier, when register_globals is enabled and _SESSION[permission] parameter is set to "yes", allows remote attackers to execute arb

How urgent is CVE-2006-4788?

Priority 47/100. EPSS top 5%: very likely to be exploited; Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-4889 MEDIUM 5.1 UPGRADE Multiple PHP remote file inclusion vulnerabilities in Telekorn SignKorn Guestbook (SL) 1.3 and earlier, when r

References

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