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

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MEDIUM

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

Published Apr 27, 2010

6.8

MEDIUM

CVSS 2.0

EPSS 4.21%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

4.21% 0.04208

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.

EPSS probability 0.04208

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 2, 2026	4.21% (0.04208)	90.67th	v5 (v2026.06.15)
Jun 15, 2026	4.21% (0.04208)	89.64th	v5 (v2026.06.15)
Mar 17, 2025	1.29% (0.01285)	78.24th	v4 (v2025.03.14)
Dec 12, 2024	2.98% (0.02976)	91.25th	v3 (v2023.03.01)
Dec 5, 2024	2.98% (0.02976)	91.23th	v3 (v2023.03.01)
Aug 11, 2023	1.62% (0.01619)	85.86th	v3 (v2023.03.01)
Mar 7, 2023	2.02% (0.02015)	87.08th	v3 (v2023.03.01)
Mar 6, 2023	4.19% (0.04187)	87.39th	v2 (v2022.01.01)
Apr 1, 2022	4.19% (0.04187)	86.11th	v2 (v2022.01.01)
Feb 4, 2022	4.19% (0.04187)	69.86th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (3)

http://www.exploit-db.com/exploits/10568
exploitx_refsource_EXPLOIT-DB
http://www.securityfocus.com/bid/37424
vdb-entryx_refsource_BID
https://exchange.xforce.ibmcloud.com/vulnerabilities/54952
vdb-entryx_refsource_XF

Link	Providers	Tags
http://www.exploit-db.com/exploits/10568		exploitx_refsource_EXPLOIT-DB
http://www.securityfocus.com/bid/37424		vdb-entryx_refsource_BID
https://exchange.xforce.ibmcloud.com/vulnerabilities/54952		vdb-entryx_refsource_XF

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 27, 2010

Updated Aug 7, 2024

Reserved Apr 27, 2010

Link CVE-2009-4818

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2009-4818

Red Hat

Severity n/a

Public date n/a

Links CVE-2009-4818