How severe is CVE-2009-3306?

CVE-2009-3306 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2009-3306 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3306?

CVE-2009-3306 affects Richrumble Clearsite. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-3306?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2009-3306 published?

CVE-2009-3306 was published on 2009-09-23 and last updated on 2026-06-16.

CVE-2009-3306

CVE-2009-3306 is a high-severity vulnerability in Richrumble Clearsite with a CVSS 2.0 base score of 7.5. 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-94.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Richrumble Clearsite
Published: 2009-09-23
Last modified: 2026-06-16

Description

PHP remote file inclusion vulnerability in include/header.php in ClearSite 4.50 allows remote attackers to execute arbitrary PHP code via a URL in the cs_base_path parameter.

Frequently asked questions

What is CVE-2009-3306?: PHP remote file inclusion vulnerability in include/header.php in ClearSite 4.50 allows remote attackers to execute arbitrary PHP code via a URL in the cs_base_path parameter.
How severe is CVE-2009-3306?: CVE-2009-3306 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2009-3306 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3306?: CVE-2009-3306 affects Richrumble Clearsite. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-3306?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2009-3306 published?: CVE-2009-3306 was published on 2009-09-23 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:richrumble:clearsite:4.50:*:*:*:*:*:*:*

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