CVE-2006-0860: Multiple cross-site scripting (XSS) vulnerabilities in Michael Salzer Guestbox 0.6, and other versions before

Routine

MEDIUM 4.3DOWNGRADE

CVE-2006-0860 is a medium-severity flaw (CVSS 4.3) affecting guestbox. 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 Michael Salzer Guestbox 0.6, and other versions before 0.8, allow remote attackers to inject arbitrary web script or HTML via (1) HTML tags that follow a "http://" string, which bypasses a regular expression check, and (2) other unspecified attack vectors.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.4% (top 28%)
CISA exploited list	No
Weakness	CWE-79
Published	2006-02-23
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: michael salzer

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

Am I affected?

Timeline

2006-02-23 23:02 UTCPublished CVE record published
2026-06-16 22:21 UTCUpdated Record last modified

michael salzer guestbox DOWNGRADE

Affected: 0.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.6

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.6 (Debian / Ubuntu)

apt-cache madison guestbox sudo apt install guestbox=<VERSION_BEFORE_0.6> sudo apt-mark hold guestbox

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

dnf --showduplicates list guestbox sudo dnf downgrade guestbox-<VERSION_BEFORE_0.6> sudo dnf versionlock add guestbox

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-2006-0860?

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

Is CVE-2006-0860 being exploited?

CVE-2006-0860 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-2006-0860 affect?

CVE-2006-0860 affects guestbox. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in Michael Salzer Guestbox 0.6, and other versions before 0.8, allow remote attackers to inject arbitrary web script or HTML via (1) HTML tags that follow a "http://" string, which bypasse

How urgent is CVE-2006-0860?

Priority 33/100. No elevated risk signals yet.

Related CVEs

CVE-2006-0861 MEDIUM 5.0 DOWNGRADE Michael Salzer Guestbox 0.6, and other versions before 0.8, allows remote attackers to obtain the source IP ad
CVE-2006-0859 MEDIUM 5.0 DOWNGRADE Michael Salzer Guestbox 0.6, and other versions before 0.8, allows remote attackers to post an admin comment t

References

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