How severe is CVE-2007-3543?

CVE-2007-3543 has a CVSS 2.0 base score of 6.0, rated medium severity.

Is CVE-2007-3543 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-2007-3543?

CVE-2007-3543 primarily affects Wordpress. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-3543?

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

When was CVE-2007-3543 published?

CVE-2007-3543 was published on 2007-07-03 and last updated on 2026-06-16.

CVE-2007-3543

CVE-2007-3543 is a medium-severity vulnerability in Wordpress with a CVSS 2.0 base score of 6.0. 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 6.0)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Wordpress
Published: 2007-07-03
Last modified: 2026-06-16

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.

Frequently asked questions

What is 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.
How severe is CVE-2007-3543?: CVE-2007-3543 has a CVSS 2.0 base score of 6.0, rated medium severity.
Is CVE-2007-3543 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-2007-3543?: CVE-2007-3543 primarily affects Wordpress. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-3543?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-3543 published?: CVE-2007-3543 was published on 2007-07-03 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
cpe:2.3:a:wordpress:wordpress_mu:*:*:*:*:*:*:*:*

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