How severe is CVE-2009-4818?

CVE-2009-4818 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2009-4818 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4818?

CVE-2009-4818 affects Phpsimplicity Simplicity Of Upload. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-4818?

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

When was CVE-2009-4818 published?

CVE-2009-4818 was published on 2010-04-27 and last updated on 2026-06-16.

CVE-2009-4818

CVE-2009-4818 is a medium-severity vulnerability in Phpsimplicity Simplicity Of Upload with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Phpsimplicity Simplicity Of Upload
Published: 2010-04-27
Last modified: 2026-06-16

Description

Unrestricted file upload vulnerability in upload.php in PHPSimplicity Simplicity oF Upload 1.3.2 allows remote attackers to execute arbitrary PHP code by uploading a file with a double extension, as demonstrated by .php.gif.

Frequently asked questions

What is CVE-2009-4818?: Unrestricted file upload vulnerability in upload.php in PHPSimplicity Simplicity oF Upload 1.3.2 allows remote attackers to execute arbitrary PHP code by uploading a file with a double extension, as demonstrated by .php.gif.
How severe is CVE-2009-4818?: CVE-2009-4818 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2009-4818 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-4818?: CVE-2009-4818 affects Phpsimplicity Simplicity Of Upload. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-4818?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-4818 published?: CVE-2009-4818 was published on 2010-04-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:phpsimplicity:simplicity_of_upload:1.3.2:*:*:*:*:*:*:*

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