RCE in Wordpress
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 a wp-content/uploads/ pathname, as demonstrated by a .php.jpg filename.
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.084 (94.4th percentile) — read the EPSS interpretation.
Affected products
- Wordpress
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_SECUNIA, Third Party Advisory, third-party-advisory)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (mailing-list, x_refsource_FULLDISC, Broken Link)
- secalert@redhat.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secalert@redhat.com (mailing-list, x_refsource_FULLDISC, Broken Link)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)
- secalert@redhat.com (x_refsource_OSVDB, vdb-entry, Broken Link)
- secalert@redhat.com (mailing-list, x_refsource_FULLDISC, Broken Link)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2009-3890?
- CVE-2009-3890 is a vulnerability in Wordpress, classified under Code Injection. Published 2009-11-17.
- Is CVE-2009-3890 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.