CVE-2006-6371: Cross-site scripting (XSS) vulnerability in pbguestbook.php in JAB Guest Book allows remote attackers to injec

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MEDIUM 6.8MITIGATE

CVE-2006-6371 is a medium-severity flaw (CVSS 6.8) affecting jab guest book. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in pbguestbook.php in JAB Guest Book allows remote attackers to inject arbitrary web script or HTML via the author parameter.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.8 (Medium)
EPSS exploit chance	1.3% (top 31%)
CISA exploited list	No
Published	2006-12-07
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: james barnsley

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

Am I affected?

Timeline

2006-12-07 17:28 UTCPublished CVE record published
2026-06-16 22:32 UTCUpdated Record last modified

james barnsley jab guest book MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy jab-guest-book || rpm -q jab-guest-book || jab-guest-book --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

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-2006-6371?

jab guest book: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2006-6371 being exploited?

CVE-2006-6371 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-2006-6371 affect?

CVE-2006-6371 affects jab guest book. Severity is medium (CVSS 6.8). Cross-site scripting (XSS) vulnerability in pbguestbook.php in JAB Guest Book allows remote attackers to inject arbitrary web script or HTML via the author parameter.

How urgent is CVE-2006-6371?

Priority 41/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2006-6372 MEDIUM 6.8 DOWNGRADE Multiple cross-site scripting (XSS) vulnerabilities in pbguestbook.php in JAB Guest Book 20061205 allow remote

References

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