CVE-2007-3543 — Unrestricted file upload vulnerability in WordPress before 2.2.1 and WordPress MU before 1.2.3 allows remote authenticated users to upload and execute arbitrary PHP code by making a post that specifies a .php filename in the _wp_attached_file metadata field; and then sending this file's content, along with its post_ID value, to (1) wp-app.php or (2) app.php

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MEDIUM

Unrestricted file upload vulnerability in WordPress before 2.2.1 and WordPress MU before 1.2.3 allows remote authenticated users to upload and execute arbitrary PHP code by making a post that specifies a .php filename in the _wp_attached_file metadata field; and then sending this file's content, along with its post_ID value, to (1) wp-app.php or (2) app.php

Published Jul 3, 2007

6.0

MEDIUM

CVSS 2.0

EPSS 1.65%

Description

Unrestricted file upload vulnerability in WordPress before 2.2.1 and WordPress MU before 1.2.3 allows remote authenticated users to upload and execute arbitrary PHP code by making a post that specifies a .php filename in the _wp_attached_file metadata field; and then sending this file's content, along with its post_ID value, to (1) wp-app.php or (2) app.php.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.65% 0.01649

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01649

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 (17 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	1.65% (0.01649)	75.63th	v5 (v2026.06.15)
Jun 15, 2026	1.65% (0.01649)	73.36th	v5 (v2026.06.15)
Mar 30, 2025	1.13% (0.01127)	76.34th	v4 (v2025.03.14)
Mar 29, 2025	4.69% (0.04685)	81.86th	v4 (v2025.03.14)
Mar 24, 2025	1.13% (0.01127)	76.30th	v4 (v2025.03.14)
Mar 23, 2025	4.69% (0.04685)	87.36th	v4 (v2025.03.14)
Mar 17, 2025	1.13% (0.01127)	76.81th	v4 (v2025.03.14)
Dec 12, 2024	0.42% (0.00416)	74.91th	v3 (v2023.03.01)
May 6, 2024	0.42% (0.00416)	73.95th	v3 (v2023.03.01)
Mar 29, 2024	0.38% (0.00381)	72.51th	v3 (v2023.03.01)
Feb 20, 2024	0.26% (0.00259)	64.67th	v3 (v2023.03.01)
Jan 18, 2024	0.22% (0.00225)	60.88th	v3 (v2023.03.01)
Mar 7, 2023	0.22% (0.00225)	58.85th	v3 (v2023.03.01)
Mar 6, 2023	1.13% (0.01132)	56.11th	v2 (v2022.01.01)
Sep 22, 2022	1.13% (0.01132)	54.59th	v2 (v2022.01.01)
Apr 1, 2022	1.13% (0.01132)	52.58th	v2 (v2022.01.01)
Feb 4, 2022	1.13% (0.01132)	30.65th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (5)

http://osvdb.org/37295
vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/25794
third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://trac.mu.wordpress.org/changeset/1005
x_refsource_CONFIRM
http://www.buayacorp.com/files/wordpress/wordpress-advisory.html
x_refsource_MISC
http://www.securityfocus.com/bid/24642
vdb-entryx_refsource_BID

Link	Providers	Tags
http://osvdb.org/37295		vdb-entryx_refsource_OSVDB
http://secunia.com/advisories/25794		third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://trac.mu.wordpress.org/changeset/1005		x_refsource_CONFIRM
http://www.buayacorp.com/files/wordpress/wordpress-advisory.html		x_refsource_MISC
http://www.securityfocus.com/bid/24642		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jul 3, 2007

Updated Aug 7, 2024

Reserved Jul 3, 2007

Link CVE-2007-3543

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2007-3543

Red Hat

Severity n/a

Public date n/a

Links CVE-2007-3543