CVE-2006-0654: check.php in Hinton Design phpht Topsites 1.3 does not validate passwords when using cookies, which allows rem

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HIGH 7.5DOWNGRADE

CVE-2006-0654 is a high-severity flaw (CVSS 7.5) affecting phpht topsites. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

check.php in Hinton Design phpht Topsites 1.3 does not validate passwords when using cookies, which allows remote attackers to bypass authentication via unspecified cookies.

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	1.8% (top 21%)
CISA exploited list	No
Published	2006-02-13
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: hinton design

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

Am I affected?

Timeline

2006-02-13 11:06 UTCPublished CVE record published
2026-06-16 22:21 UTCUpdated Record last modified

hinton design phpht topsites DOWNGRADE

Affected: 1.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.3

1. Check installed version

apt-cache policy phpht-topsites || rpm -q phpht-topsites || phpht-topsites --version

2. No fixed release: DOWNGRADE to a release before 1.3 (Debian / Ubuntu)

apt-cache madison phpht-topsites sudo apt install phpht-topsites=<VERSION_BEFORE_1.3> sudo apt-mark hold phpht-topsites

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

dnf --showduplicates list phpht-topsites sudo dnf downgrade phpht-topsites-<VERSION_BEFORE_1.3> sudo dnf versionlock add phpht-topsites

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-2006-0654?

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

Is CVE-2006-0654 being exploited?

CVE-2006-0654 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-2006-0654 affect?

CVE-2006-0654 affects phpht topsites. Severity is high (CVSS 7.5). check.php in Hinton Design phpht Topsites 1.3 does not validate passwords when using cookies, which allows remote attackers to bypass authentication via unspecified cookies.

How urgent is CVE-2006-0654?

Priority 51/100. High severity; Public exploit reference

Software pages

PHP vulnerabilities

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References

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