CVE-2006-3295: Cross-site scripting (XSS) vulnerability in header.php in Open Guestbook 0.5 allows remote attackers to inject

This month

MEDIUM 4.3DOWNGRADE

CVE-2006-3295 is a medium-severity flaw (CVSS 4.3) affecting open 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 header.php in Open Guestbook 0.5 allows remote attackers to inject arbitrary web script or HTML via the title parameter.

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	2.3% (top 17%)
CISA exploited list	No
Weakness	CWE-79
Published	2006-06-29
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: georgecurrums

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

Am I affected?

Timeline

2006-06-29 01:05 UTCPublished CVE record published
2026-06-16 22:26 UTCUpdated Record last modified

georgecurrums open guestbook DOWNGRADE

Affected: 0.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.5 (Debian / Ubuntu)

apt-cache madison open-guestbook sudo apt install open-guestbook=<VERSION_BEFORE_0.5> sudo apt-mark hold open-guestbook

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

dnf --showduplicates list open-guestbook sudo dnf downgrade open-guestbook-<VERSION_BEFORE_0.5> sudo dnf versionlock add open-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: OpenGuestbook 0.5 - 'header.php?title' Cross-Site Scripting

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-2006-3295?

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

Is CVE-2006-3295 being exploited?

CVE-2006-3295 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-2006-3295 affect?

CVE-2006-3295 affects open guestbook. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in header.php in Open Guestbook 0.5 allows remote attackers to inject arbitrary web script or HTML via the title parameter.

How urgent is CVE-2006-3295?

Priority 41/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-3296 HIGH 7.5 DOWNGRADE SQL injection vulnerability in view.php in Open Guestbook 0.5 allows remote attackers to execute arbitrary SQL

References

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