CVE-2005-4491: Multiple cross-site scripting (XSS) vulnerabilities in Sitekit CMS 6.6 and earlier allow remote attackers to i

Q: How do I fix CVE-2005-4491?

sitekit cms: upgrade to newer than 6.6. Exact commands for each OS are on this page.

Q: Is CVE-2005-4491 being exploited?

CVE-2005-4491 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2005-4491 affect?

CVE-2005-4491 affects sitekit cms. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in Sitekit CMS 6.6 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) query string, (2) textonly, (3) locID, and (4) lang parameters to (a) Default.aspx,

Q: How urgent is CVE-2005-4491?

Priority 40/100. Public exploit reference

This month

MEDIUM 4.3UPGRADE

CVE-2005-4491 is a medium-severity flaw (CVSS 4.3) affecting sitekit cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple cross-site scripting (XSS) vulnerabilities in Sitekit CMS 6.6 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) query string, (2) textonly, (3) locID, and (4) lang parameters to (a) Default.aspx, and the (6) ClickFrom parameter to (b) Request-call-back.html and (c) registration-form.html. NOTE: the vendor states "This issue was resolved by a minor update to Sitekit CMS v6.6, sanitising the html code a

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-79
Published	2005-12-22
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: sitekit solutions

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

Am I affected?

Timeline

2005-12-22 11:03 UTCPublished CVE record published
2026-06-16 22:18 UTCUpdated Record last modified

sitekit solutions sitekit cms UPGRADE

Affected: <= 6.6

Fixed in: newer than 6.6

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy sitekit-cms || rpm -q sitekit-cms || sitekit-cms --version

2. UPGRADE to newer than 6.6 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade sitekit-cms

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade sitekit-cms

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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: Sitekit CMS 6.6 - 'Default.aspx' Multiple Cross-Site Scripting Vulnerabilities
Exploit-DB: Sitekit CMS 6.6 - 'registration-form.html?ClickFrom' Cross-Site Scripting
Exploit-DB: Sitekit CMS 6.6 - 'Request-call-back.html?ClickFrom' 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-2005-4491?

sitekit cms: upgrade to newer than 6.6. Exact commands for each OS are on this page.

Is CVE-2005-4491 being exploited?

CVE-2005-4491 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-2005-4491 affect?

CVE-2005-4491 affects sitekit cms. Severity is medium (CVSS 4.3). Multiple cross-site scripting (XSS) vulnerabilities in Sitekit CMS 6.6 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) query string, (2) textonly, (3) locID, and (4) lang parameters to (a) Default.aspx,

How urgent is CVE-2005-4491?

Priority 40/100. Public exploit reference

References

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