CVE-2007-4937: CS Guestbook stores sensitive information under the web root with insufficient access control, which allows re

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MEDIUM 5.0MITIGATE

CVE-2007-4937 is a medium-severity flaw (CVSS 5.0) affecting cs guestbook. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CS Guestbook stores sensitive information under the web root with insufficient access control, which allows remote attackers to obtain the admin name and MD5 password hash via a direct request for base/usr/0.php.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.0 (Medium)
EPSS exploit chance	2.6% (top 15%)
CISA exploited list	No
Weakness	CWE-264
Published	2007-09-18
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: comscripts

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

Am I affected?

Timeline

2007-09-18 19:17 UTCPublished CVE record published
2026-06-16 22:45 UTCUpdated Record last modified

comscripts cs guestbook 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 cs-guestbook || rpm -q cs-guestbook || cs-guestbook --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: CS-Guestbook 0.1 - Login Credentials Information Disclosure

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-2007-4937?

cs guestbook: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2007-4937 being exploited?

CVE-2007-4937 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-2007-4937 affect?

CVE-2007-4937 affects cs guestbook. Severity is medium (CVSS 5.0). CS Guestbook stores sensitive information under the web root with insufficient access control, which allows remote attackers to obtain the admin name and MD5 password hash via a direct request for base/usr/0.php.

How urgent is CVE-2007-4937?

Priority 44/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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