CVE-2003-1534: Cross-site scripting (XSS) vulnerability in jgb.php3 in Justice Guestbook 1.3 allows remote attackers to injec

Q: How do I fix CVE-2003-1534?

guestbook: upgrade to newer than 1.3. Exact commands for each OS are on this page.

Q: Is CVE-2003-1534 being exploited?

CVE-2003-1534 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-2003-1534 affect?

CVE-2003-1534 affects guestbook. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in jgb.php3 in Justice Guestbook 1.3 allows remote attackers to inject arbitrary web script or HTML via the (1) name, (2) homepage, (3) aim, (4) yim, (5) location, and (6) comment variables.

Q: How urgent is CVE-2003-1534?

Priority 37/100. Public exploit reference

Routine

MEDIUM 4.3UPGRADE

CVE-2003-1534 is a medium-severity flaw (CVSS 4.3) affecting 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 jgb.php3 in Justice Guestbook 1.3 allows remote attackers to inject arbitrary web script or HTML via the (1) name, (2) homepage, (3) aim, (4) yim, (5) location, and (6) comment variables.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-79
Published	2003-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: justice media

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

Am I affected?

Timeline

2003-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:04 UTCUpdated Record last modified

justice media guestbook UPGRADE

Affected: <= 1.3

Fixed in: newer than 1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.3 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade 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-2003-1534?

guestbook: upgrade to newer than 1.3. Exact commands for each OS are on this page.

Is CVE-2003-1534 being exploited?

CVE-2003-1534 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-2003-1534 affect?

CVE-2003-1534 affects guestbook. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in jgb.php3 in Justice Guestbook 1.3 allows remote attackers to inject arbitrary web script or HTML via the (1) name, (2) homepage, (3) aim, (4) yim, (5) location, and (6) comment variables.

How urgent is CVE-2003-1534?

Priority 37/100. Public exploit reference

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References

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