CVE-2006-3526: Multiple cross-site scripting (XSS) vulnerabilities in guestbook.php in Sport-slo Advanced Guestbook 1.0 allow

Routine

MEDIUM 5.8DOWNGRADE

CVE-2006-3526 is a medium-severity flaw (CVSS 5.8) affecting sport-slo advanced guestbook. 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 guestbook.php in Sport-slo Advanced Guestbook 1.0 allow remote attackers to inject arbitrary web script or HTML via (1) name and (2) form parameters.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.8 (Medium)
EPSS exploit chance	1.3% (top 30%)
CISA exploited list	No
Published	2006-07-12
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sport-slo

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

Am I affected?

Timeline

2006-07-12 00:05 UTCPublished CVE record published
2026-06-16 22:27 UTCUpdated Record last modified

sport-slo sport-slo advanced guestbook 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 sport-slo-advanced-guestbook || rpm -q sport-slo-advanced-guestbook || sport-slo-advanced-guestbook --version

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

apt-cache madison sport-slo-advanced-guestbook sudo apt install sport-slo-advanced-guestbook=<VERSION_BEFORE_1.0> sudo apt-mark hold sport-slo-advanced-guestbook

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

dnf --showduplicates list sport-slo-advanced-guestbook sudo dnf downgrade sport-slo-advanced-guestbook-<VERSION_BEFORE_1.0> sudo dnf versionlock add sport-slo-advanced-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.

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-2006-3526?

sport-slo advanced guestbook: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-3526 being exploited?

CVE-2006-3526 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-2006-3526 affect?

CVE-2006-3526 affects sport-slo advanced guestbook. Severity is medium (CVSS 5.8). Multiple cross-site scripting (XSS) vulnerabilities in guestbook.php in Sport-slo Advanced Guestbook 1.0 allow remote attackers to inject arbitrary web script or HTML via (1) name and (2) form parameters.

How urgent is CVE-2006-3526?

Priority 38/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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