How severe is CVE-2009-4110?

CVE-2009-4110 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-4110 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4110?

CVE-2009-4110 primarily affects Dnnsoftware Dotnetnuke. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-4110?

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

When was CVE-2009-4110 published?

CVE-2009-4110 was published on 2009-11-29 and last updated on 2026-06-16.

CVE-2009-4110

CVE-2009-4110 is a medium-severity vulnerability in Dnnsoftware Dotnetnuke 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: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Dnnsoftware Dotnetnuke
Published: 2009-11-29
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in the search functionality in DotNetNuke 4.8 through 5.1.4 allows remote attackers to inject arbitrary web script or HTML via search terms that are not properly filtered before display in a custom results page.

Frequently asked questions

What is CVE-2009-4110?: Cross-site scripting (XSS) vulnerability in the search functionality in DotNetNuke 4.8 through 5.1.4 allows remote attackers to inject arbitrary web script or HTML via search terms that are not properly filtered before display in a custom results page.
How severe is CVE-2009-4110?: CVE-2009-4110 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-4110 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4110?: CVE-2009-4110 primarily affects Dnnsoftware Dotnetnuke. In total, 14 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-4110?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4110 published?: CVE-2009-4110 was published on 2009-11-29 and last updated on 2026-06-16.

References

Affected products (14)

cpe:2.3:a:dnnsoftware:dotnetnuke:4.8.0:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:4.8.1:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:4.8.2:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:4.8.3:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:4.8.4:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:4.9:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:4.9.1:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:4.9.2:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:5.0:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:5.1:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:5.1.1:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:5.1.2:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:5.1.3:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:5.1.4:*:*:*:*:*:*:*

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