CVE-2005-4627: Cross-site scripting (XSS) vulnerability in index.php in (1) GmailSite 1.0 through 1.0.4 and (2) GFHost 0.1.1

This month

MEDIUM 4.3DOWNGRADEDOWNGRADE

CVE-2005-4627 is a medium-severity flaw (CVSS 4.3) affecting gfhost, gmailsite. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Cross-site scripting (XSS) vulnerability in index.php in (1) GmailSite 1.0 through 1.0.4 and (2) GFHost 0.1.1 through 0.4.2 allows remote attackers to inject arbitrary web script or HTML via the lng parameter.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	1.9% (top 20%)
CISA exploited list	No
Published	2005-12-31
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: gfhost · gmailsite

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

Am I affected?

Timeline

2005-12-31 05:00 UTCPublished CVE record published
2026-06-16 22:19 UTCUpdated Record last modified

gfhost gfhost DOWNGRADE

Affected: 0.1.1 · 0.2 · 0.3 · 0.4 · 0.4.1 · 0.4.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.1.1 (Debian / Ubuntu)

apt-cache madison gfhost sudo apt install gfhost=<VERSION_BEFORE_0.1.1> sudo apt-mark hold gfhost

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

dnf --showduplicates list gfhost sudo dnf downgrade gfhost-<VERSION_BEFORE_0.1.1> sudo dnf versionlock add gfhost

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.

gmailsite gmailsite DOWNGRADE

Affected: 1.0 · 1.0.1 · 1.0.2 · 1.0.3 · 1.0.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison gmailsite sudo apt install gmailsite=<VERSION_BEFORE_1.0> sudo apt-mark hold gmailsite

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

dnf --showduplicates list gmailsite sudo dnf downgrade gmailsite-<VERSION_BEFORE_1.0> sudo dnf versionlock add gmailsite

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.

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: GMailSite 1.0.x - Cross-Site Scripting

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-2005-4627?

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

Is CVE-2005-4627 being exploited?

CVE-2005-4627 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-2005-4627 affect?

CVE-2005-4627 affects gfhost, gmailsite. Severity is medium (CVSS 4.3). Cross-site scripting (XSS) vulnerability in index.php in (1) GmailSite 1.0 through 1.0.4 and (2) GFHost 0.1.1 through 0.4.2 allows remote attackers to inject arbitrary web script or HTML via the lng parameter.

How urgent is CVE-2005-4627?

Priority 40/100. Public exploit reference

Software pages

PHP vulnerabilities

References

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