CVE-2006-1256: Cross-site scripting (XSS) vulnerability in guestbook.php in Soren Boysen (SkullSplitter) PHP Guestbook 2.6 al

Q: How do I fix CVE-2006-1256?

php guestbook: upgrade to newer than 2.6. Exact commands for each OS are on this page.

Q: Is CVE-2006-1256 being exploited?

CVE-2006-1256 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-2006-1256 affect?

CVE-2006-1256 affects php guestbook. Severity is low (CVSS 2.6). Cross-site scripting (XSS) vulnerability in guestbook.php in Soren Boysen (SkullSplitter) PHP Guestbook 2.6 allows remote attackers to inject arbitrary web script or HTML via the url parameter.

Q: How urgent is CVE-2006-1256?

Priority 29/100. No elevated risk signals yet.

Routine

LOW 2.6UPGRADE

CVE-2006-1256 is a low-severity flaw (CVSS 2.6) affecting php guestbook. 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 Soren Boysen (SkullSplitter) PHP Guestbook 2.6 allows remote attackers to inject arbitrary web script or HTML via the url parameter.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	2.6 (Low)
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Published	2006-03-19
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: skullsplitter

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

Am I affected?

Timeline

2006-03-19 01:02 UTCPublished CVE record published
2026-06-16 22:22 UTCUpdated Record last modified

skullsplitter php guestbook UPGRADE

Affected: <= 2.6 · 2.7

Fixed in: newer than 2.6

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.6 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade php-guestbook

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-2006-1256?

php guestbook: upgrade to newer than 2.6. Exact commands for each OS are on this page.

Is CVE-2006-1256 being exploited?

CVE-2006-1256 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-2006-1256 affect?

CVE-2006-1256 affects php guestbook. Severity is low (CVSS 2.6). Cross-site scripting (XSS) vulnerability in guestbook.php in Soren Boysen (SkullSplitter) PHP Guestbook 2.6 allows remote attackers to inject arbitrary web script or HTML via the url parameter.

How urgent is CVE-2006-1256?

Priority 29/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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