CVE-2007-3543 File upload in n/a

What is CVE-2007-3543?

CVE-2007-3543 is a medium-severity vulnerability in Wordpress Wordpress, published on 3 Jul 2007. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Which versions are affected by CVE-2007-3543?

It affects 2 products.

Products include Wordpress Wordpress, Wordpress Wordpress Mu.

How do I fix CVE-2007-3543?

Upgrade to a fixed version.

Is CVE-2007-3543 being exploited?

There is no known exploitation of CVE-2007-3543 in the wild and no public exploit code.

Other vulnerabilities in Wordpress Wordpress

• CVE-2026-63030 WordPress Core Interpretation Conflict Exploited Critical 9.8
• CVE-2026-87902 WordPress Core Remote File Inclusion Exploited High 8.1
• CVE-2026-60137 WordPress Core SQL Injection Exploited Medium 5.9
• CVE-2012-2399 Cross-site scripting in n/a Critical 10.0
• CVE-2012-2400 Other in n/a Critical 10.0

All Wordpress Wordpress vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2007-3543, GHSA-mv47-qh9x-3pwh.