How severe is CVE-2009-4473?

CVE-2009-4473 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-4473 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4473?

CVE-2009-4473 primarily affects Ektron Cms4000.net. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4473?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-4473 published?

CVE-2009-4473 was published on 2009-12-30 and last updated on 2026-06-16.

CVE-2009-4473

CVE-2009-4473 is a medium-severity vulnerability in Ektron Cms4000.net with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ektron Cms4000.net
Published: 2009-12-30
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in WorkArea/ContentDesigner/ekformsiframe.aspx in Ektron CMS400.NET 7.6.1.53 and 7.6.6.47, and possibly 7.52 through 7.66sp2, allow remote attackers to inject arbitrary web script or HTML via the (1) css, (2) eca, (3) id, and (4) skin parameters. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2009-4473?: Multiple cross-site scripting (XSS) vulnerabilities in WorkArea/ContentDesigner/ekformsiframe.aspx in Ektron CMS400.NET 7.6.1.53 and 7.6.6.47, and possibly 7.52 through 7.66sp2, allow remote attackers to inject arbitrary web script or HTML via the (1) css, (2) eca, (3) id, and (4) skin parameters. NOTE: some of these details are obtained from third party information.
How severe is CVE-2009-4473?: CVE-2009-4473 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-4473 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4473?: CVE-2009-4473 primarily affects Ektron Cms4000.net. In total, 22 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4473?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4473 published?: CVE-2009-4473 was published on 2009-12-30 and last updated on 2026-06-16.

References

Affected products (22)

cpe:2.3:a:ektron:cms4000.net:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.0:sp1:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.0:sp2:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.1:*:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.1:sp1:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.1:sp2:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.1:sp3:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.1:sp4:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.1.53:*:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.5:*:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.5:sp1:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.5:sp2:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.5:sp3:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.6:*:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.6:sp1:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.6:sp2:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.6.6.47:*:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.52:*:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.53:*:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.53:sp2:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.54:*:*:*:*:*:*:*
cpe:2.3:a:ektron:cms4000.net:7.54:sp2:*:*:*:*:*:*

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