CVE-2002-0730: Cross-site scripting vulnerability in guestbook.pl for Philip Chinery's Guestbook 1.1 allows remote attackers

This month

HIGH 7.5DOWNGRADE

CVE-2002-0730 is a high-severity flaw (CVSS 7.5) affecting philip chinerys guestbook. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting vulnerability in guestbook.pl for Philip Chinery's Guestbook 1.1 allows remote attackers to execute Javascript or HTML via fields such as (1) Name, (2) EMail, or (3) Homepage.

Why this priority

High severity
EPSS top 6%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	6.9% (top 6%)
CISA exploited list	No
Published	2002-08-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: philip chinery

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

Am I affected?

Timeline

2002-08-12 04:00 UTCPublished CVE record published
2026-06-16 21:58 UTCUpdated Record last modified

philip chinery philip chinerys guestbook DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

apt-cache policy philip-chinerys-guestbook || rpm -q philip-chinerys-guestbook || philip-chinerys-guestbook --version

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison philip-chinerys-guestbook sudo apt install philip-chinerys-guestbook=<VERSION_BEFORE_1.1> sudo apt-mark hold philip-chinerys-guestbook

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

dnf --showduplicates list philip-chinerys-guestbook sudo dnf downgrade philip-chinerys-guestbook-<VERSION_BEFORE_1.1> sudo dnf versionlock add philip-chinerys-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.

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: Philip Chinery's Guestbook 1.1 - Script Injection

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-2002-0730?

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

Is CVE-2002-0730 being exploited?

CVE-2002-0730 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-2002-0730 affect?

CVE-2002-0730 affects philip chinerys guestbook. Severity is high (CVSS 7.5). Cross-site scripting vulnerability in guestbook.pl for Philip Chinery's Guestbook 1.1 allows remote attackers to execute Javascript or HTML via fields such as (1) Name, (2) EMail, or (3) Homepage.

How urgent is CVE-2002-0730?

Priority 55/100. High severity; EPSS top 6%: very likely to be exploited; Public exploit reference

References

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