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CVE-2006-3837: delcookie.php in Professional Home Page Tools Guestbook changes the expiration date of a cookie instead of del

34
Routine
MEDIUM 5.0MITIGATE

CVE-2006-3837 is a medium-severity flaw (CVSS 5.0) affecting professional home page tools guestbook. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

delcookie.php in Professional Home Page Tools Guestbook changes the expiration date of a cookie instead of deleting the cookie's value, which makes it easier for attackers to steal the cookie and obtain the administrator's password hash after logout.

Why this priority

  • No elevated risk signals yet

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

Risk facts

CVSS score5.0 (Medium)
EPSS exploit chance1.2% (top 33%)
CISA exploited listNo
Published2006-07-25
Last modified2026-06-16
Publisher (CNA): MITRE · Vendor: professional home page tools

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

Am I affected?

Timeline

professional home page tools professional home page tools 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 professional-home-page-tools-guestbook || rpm -q professional-home-page-tools-guestbook || professional-home-page-tools-guestbook --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-2006-3837?

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

Is CVE-2006-3837 being exploited?

CVE-2006-3837 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-2006-3837 affect?

CVE-2006-3837 affects professional home page tools guestbook. Severity is medium (CVSS 5.0). delcookie.php in Professional Home Page Tools Guestbook changes the expiration date of a cookie instead of deleting the cookie's value, which makes it easier for attackers to steal the cookie and obtain the administrator's password hash aft

How urgent is CVE-2006-3837?

Priority 34/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

References

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