CVE-2006-3063: Multiple cross-site scripting (XSS) vulnerabilities in myPHP Guestbook 1.x through 2.0.0-r1 and before 2.0.1 R

Routine

LOW 2.6DOWNGRADE

CVE-2006-3063 is a low-severity flaw (CVSS 2.6) affecting myphp guestbook. 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 myPHP Guestbook 1.x through 2.0.0-r1 and before 2.0.1 RC5 allow remote attackers to inject arbitrary web script or HTML via the (1) comment, (2) email, (3) homepage, (4) id, (5) name, and (6) text parameters in (a) index.php, the (7) comment, (8) email, (9) homepage, (10) number, (11) name, and (12) text parameters in (b) admin/guestbook.php, and the (13) email, (14) homepage, (15) icq, (16)

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	2.6 (Low)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Published	2006-06-19
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: myphp guestbook

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

Am I affected?

Timeline

2006-06-19 10:02 UTCPublished CVE record published
2026-06-16 22:26 UTCUpdated Record last modified

myphp guestbook myphp guestbook DOWNGRADE

Affected: 1.0 · 1.8 · 1.8.3 · 1.9 · 1.9.2 · 2.0.0 · 2.0.0-r1 · 2.0.0_alpha

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison myphp-guestbook sudo apt install myphp-guestbook=<VERSION_BEFORE_1.0> sudo apt-mark hold myphp-guestbook

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list myphp-guestbook sudo dnf downgrade myphp-guestbook-<VERSION_BEFORE_1.0> sudo dnf versionlock add myphp-guestbook

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2006-3063?

myphp guestbook: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-3063 being exploited?

CVE-2006-3063 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-2006-3063 affect?

CVE-2006-3063 affects myphp guestbook. Severity is low (CVSS 2.6). Multiple cross-site scripting (XSS) vulnerabilities in myPHP Guestbook 1.x through 2.0.0-r1 and before 2.0.1 RC5 allow remote attackers to inject arbitrary web script or HTML via the (1) comment, (2) email, (3) homepage, (4) id, (5) name, a

How urgent is CVE-2006-3063?

Priority 26/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-3062 LOW 2.6 DOWNGRADE Cross-site scripting (XSS) vulnerability in index.php in myPHP Guestbook 2.0.4 and earlier allows remote attac

References

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