All vulnerabilities

WordPress core

CVE-2009-3890

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…

Severity
Medium 6.0
Published
17 Nov 2009
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
WordPressWordPress core · cpe:a:wordpress:wordpress
  • Every version up to 2.8.5

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2009-3890
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2009-3890