THREATPORT/VULNERABILITY/CVE-2009-3890
MEDIUM SEVERITY

CVE-2009-3890

Wordpress vulnerability

CVSS
6.0
EPSS
8.4%
EPSS pct
94th
Exploited
No known
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.
Affected vendor
Wordpress
Affected product
Wordpress
CVSS vector
AV:N/AC:M/Au:S/C:P/I:P/A:P
Weakness type (CWE)
Published
2009-11-17

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, medium attack complexity, requiring single-factor authentication. Successful exploitation leads to partial impact to confidentiality, partial impact to integrity, partial impact to availability.

Its EPSS score of 8.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 94% of all scored CVEs.

Check your external exposure to CVE-2009-3890

  • Confirm whether Wordpress Wordpress is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2009-3890.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2009-3890

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2009-3890 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2009-3890?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2009-3890.

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