CVE-2006-2231: Multiple cross-site scripting (XSS) vulnerabilities in addguest.cgi in Big Webmaster Guestbook Script 1.02 and

Q: How do I fix CVE-2006-2231?

big webmaster guestbook script: upgrade to newer than 1.02. Exact commands for each OS are on this page.

Q: Is CVE-2006-2231 being exploited?

CVE-2006-2231 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-2006-2231 affect?

CVE-2006-2231 affects big webmaster guestbook script. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in addguest.cgi in Big Webmaster Guestbook Script 1.02 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) mail, (2) site, (3) city, (4) state, (5) countr

Q: How urgent is CVE-2006-2231?

Priority 33/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2006-2231 is a medium-severity flaw (CVSS 4.3) affecting big webmaster guestbook script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in addguest.cgi in Big Webmaster Guestbook Script 1.02 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) mail, (2) site, (3) city, (4) state, (5) country, and possibly (6) name fields, which are viewed via viewguest.cgi.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Published	2006-05-05
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: big webmaster

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

Am I affected?

Timeline

2006-05-05 19:02 UTCPublished CVE record published
2026-06-16 22:24 UTCUpdated Record last modified

big webmaster big webmaster guestbook script UPGRADE

Affected: <= 1.02

Fixed in: newer than 1.02

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy big-webmaster-guestbook-script || rpm -q big-webmaster-guestbook-script || big-webmaster-guestbook-script --version

2. UPGRADE to newer than 1.02 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade big-webmaster-guestbook-script

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade big-webmaster-guestbook-script

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-2006-2231?

big webmaster guestbook script: upgrade to newer than 1.02. Exact commands for each OS are on this page.

Is CVE-2006-2231 being exploited?

CVE-2006-2231 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-2006-2231 affect?

CVE-2006-2231 affects big webmaster guestbook script. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in addguest.cgi in Big Webmaster Guestbook Script 1.02 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) mail, (2) site, (3) city, (4) state, (5) countr

How urgent is CVE-2006-2231?

Priority 33/100. No elevated risk signals yet.

References

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