CVE-2006-3900: Cross-site scripting (XSS) vulnerability in guestbook.php in TP-Book 1.00 and earlier allows remote attackers

Q: How do I fix CVE-2006-3900?

tp-book: upgrade to newer than 1.00. Exact commands for each OS are on this page.

Q: Is CVE-2006-3900 being exploited?

CVE-2006-3900 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-2006-3900 affect?

CVE-2006-3900 affects tp-book. Severity is medium (CVSS 6.8). Cross-site scripting (XSS) vulnerability in guestbook.php in TP-Book 1.00 and earlier allows remote attackers to inject arbitrary web script or HTML via the name parameter.

Q: How urgent is CVE-2006-3900?

Priority 42/100. No elevated risk signals yet.

This month

MEDIUM 6.8UPGRADE

CVE-2006-3900 is a medium-severity flaw (CVSS 6.8) affecting tp-book. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in guestbook.php in TP-Book 1.00 and earlier allows remote attackers to inject arbitrary web script or HTML via the name parameter.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	1.5% (top 25%)
CISA exploited list	No
Published	2006-07-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: tobias kloy

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

Am I affected?

Timeline

2006-07-27 11:04 UTCPublished CVE record published
2026-06-16 22:28 UTCUpdated Record last modified

tobias kloy tp-book UPGRADE

Affected: <= 1.00

Fixed in: newer than 1.00

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy tp-book || rpm -q tp-book || tp-book --version

2. UPGRADE to newer than 1.00 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade tp-book

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade tp-book

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2006-3900?

tp-book: upgrade to newer than 1.00. Exact commands for each OS are on this page.

Is CVE-2006-3900 being exploited?

CVE-2006-3900 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-2006-3900 affect?

CVE-2006-3900 affects tp-book. Severity is medium (CVSS 6.8). Cross-site scripting (XSS) vulnerability in guestbook.php in TP-Book 1.00 and earlier allows remote attackers to inject arbitrary web script or HTML via the name parameter.

How urgent is CVE-2006-3900?

Priority 42/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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