CVE-2002-2339: Cross-site scripting (XSS) vulnerability in configure.asp in Script-Shed GuestBook 1.0 allows remote attackers

Routine

MEDIUM 4.3DOWNGRADE

CVE-2002-2339 is a medium-severity flaw (CVSS 4.3) affecting ssgbook. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in configure.asp in Script-Shed GuestBook 1.0 allows remote attackers to inject arbitrary web script or HTML via a javascript: URL in (1) image, (2) img, (3) image=right, (4) img=right, (5) image=left, and (6) img=left tags.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.5% (top 26%)
CISA exploited list	No
Weakness	CWE-79
Published	2002-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: script shed

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

Am I affected?

Timeline

2002-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:01 UTCUpdated Record last modified

script shed ssgbook DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

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

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

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

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

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: SSGBook 1.0 - Image Tag HTML 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-2002-2339?

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

Is CVE-2002-2339 being exploited?

CVE-2002-2339 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-2002-2339 affect?

CVE-2002-2339 affects ssgbook. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in configure.asp in Script-Shed GuestBook 1.0 allows remote attackers to inject arbitrary web script or HTML via a javascript: URL in (1) image, (2) img, (3) image=right, (4) img=right, (5) image=lef

How urgent is CVE-2002-2339?

Priority 39/100. Public exploit reference

References

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