CVE-2008-6934: Static code injection vulnerability in Sanus|artificium (aka Sanusart) Free simple guestbook PHP script, when

This month

HIGH 7.5MITIGATE

CVE-2008-6934 is a high-severity flaw (CVSS 7.5) affecting free simple guestbook php script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Static code injection vulnerability in Sanus|artificium (aka Sanusart) Free simple guestbook PHP script, when downloaded before 20081111, allows remote attackers to inject arbitrary PHP code into messages.txt via the message parameter to act.php, which is executed when guestbook/guestbook.php is accessed. NOTE: some of these details are obtained from third party information.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.5 (High)
EPSS exploit chance	2.9% (top 13%)
CISA exploited list	No
Weakness	CWE-94
Published	2009-08-11
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sansuart

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

Am I affected?

Timeline

2009-08-11 21:00 UTCPublished CVE record published
2026-06-16 23:03 UTCUpdated Record last modified

sansuart free simple guestbook php script 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 free-simple-guestbook-php-script || rpm -q free-simple-guestbook-php-script || free-simple-guestbook-php-script --version

No fixed or unaffected release known

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

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: FREEsimplePHPGuestbook - 'Guestbook.php' Remote Code Execution

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-2008-6934?

free simple guestbook php script: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2008-6934 being exploited?

CVE-2008-6934 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-2008-6934 affect?

CVE-2008-6934 affects free simple guestbook php script. Severity is high (CVSS 7.5). Static code injection vulnerability in Sanus|artificium (aka Sanusart) Free simple guestbook PHP script, when downloaded before 20081111, allows remote attackers to inject arbitrary PHP code into messages.txt via the message parameter to ac

How urgent is CVE-2008-6934?

Priority 53/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

References

← Back to latest CVEs