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CVE-2009-3890

Date: November 17, 2009

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.

Language: C

Severity Score

Related Resources (12)

https://nvd.nist.gov/vuln/detail/CVE-2009-3890
http://www.osvdb.org/59958
http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0142.html
http://wordpress.org/development/2009/11/wordpress-2-8-6-security-release/
http://www.openwall.com/lists/oss-security/2009/11/15/3
http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0149.html
http://www.openwall.com/lists/oss-security/2009/11/16/1
http://www.openwall.com/lists/oss-security/2009/11/15/2
http://core.trac.wordpress.org/ticket/11122
http://secunia.com/advisories/37332
http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0153.html
https://www.mend.io/vulnerability-database/CVE-2009-3890

Severity Score

Weakness Type (CWE)

Improper Control of Generation of Code ('Code Injection')

CWE-94

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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