CVE-2008-6008: hyBook Guestbook Script stores sensitive information under the web root with insufficient access control, whic

Routine

MEDIUM 5.0DOWNGRADE

CVE-2008-6008 is a medium-severity flaw (CVSS 5.0) affecting hybook. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

hyBook Guestbook Script stores sensitive information under the web root with insufficient access control, which allows remote attackers to download a database containing a password via a direct request for hyBook.mdb.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	1.2% (top 32%)
CISA exploited list	No
Weakness	CWE-264
Published	2009-01-30
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: herongyang

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

Am I affected?

Timeline

2009-01-30 18:30 UTCPublished CVE record published
2026-06-16 23:01 UTCUpdated Record last modified

herongyang hybook DOWNGRADE

Affected: _nil_

Fixed in: no fixed release known

Safe to downgrade to: a release before _nil_

1. Check installed version

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

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

apt-cache madison hybook sudo apt install hybook=<VERSION_BEFORE__nil_> sudo apt-mark hold hybook

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

dnf --showduplicates list hybook sudo dnf downgrade hybook-<VERSION_BEFORE__nil_> sudo dnf versionlock add hybook

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-2008-6008?

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

Is CVE-2008-6008 being exploited?

CVE-2008-6008 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-2008-6008 affect?

CVE-2008-6008 affects hybook. Severity is medium (CVSS 5.0). hyBook Guestbook Script stores sensitive information under the web root with insufficient access control, which allows remote attackers to download a database containing a password via a direct request for hyBook.mdb.

How urgent is CVE-2008-6008?

Priority 35/100. No elevated risk signals yet.

References

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