WordPress Core <= 2.8.5 - Arbitrary File Upload

Unrestricted Upload of File with Dangerous Type
CVE CVE-2009-3890
CVSS High (8.8)
Publicly Published December 12, 2009
Last Updated January 22, 2024
Researcher Dawid Golunski
Description

Unrestricted file upload vulnerability in the wp_check_filetype function in wp-includes/functions.php in WordPress before 2.8.6, when a certain configuration of the mod_mime module in the Apache HTTP Server is enabled, allows remote authenticated users to execute arbitrary code by posting an attachment with a multiple-extension filename, and then accessing this attachment via a direct request to a wp-content/uploads/ pathname, as demonstrated by a .php.jpg filename.

References

1 affected software package

Software Type Core
Software Slug wordpress (view on wordpress.org)
Patched? Yes
Affected Version
  • <= 2.8.5
Patched Version
  • 2.8.6
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