{"id":"CVE-2009-3890","aliases":["DEBIAN-CVE-2009-3890","EUVD-2009-3861","GHSA-fg69-73j6-crqr"],"status":"published","title":"Unrestricted file upload vulnerability in the wp_check_filetype function in wp-includes/functions...","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.","severity":{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.08729,"percentile":0.95181,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-94"],"published":"2009-11-17T18:00:00Z","modified":"2026-10-23T17:47:27Z","exploits":[{"source":"exploitdb","id":"EDB-10089","title":"WordPress Core \u003c 2.8.5 - Unrestricted Arbitrary File Upload / Arbitrary PHP Code Execution","type":"webapps","platform":"php","date":"2009-11-11","verified":true,"url":"https://www.exploit-db.com/exploits/10089"}],"fixes":[{"ecosystem":"Debian:12","package":"wordpress","fixed_in":["2.8.6-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wordpress","fixed_in":["2.8.6-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"wordpress","fixed_in":["2.8.6-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.6-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.6-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.8.6-1"}]}]}],"products":[{"vendor":"wordpress","product":"wordpress"}],"references":[{"url":"http://secunia.com/advisories/37332","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Third Party Advisory","advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2009/11/16/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0142.html","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Broken Link","web"]},{"url":"http://wordpress.org/development/2009/11/wordpress-2-8-6-security-release/","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0153.html","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Broken Link","web"]},{"url":"http://www.openwall.com/lists/oss-security/2009/11/15/3","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"http://core.trac.wordpress.org/ticket/11122","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Vendor Advisory","advisory","report"]},{"url":"http://www.osvdb.org/59958","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","Broken Link","web"]},{"url":"http://archives.neohapsis.com/archives/fulldisclosure/2009-11/0149.html","tags":["mailing-list","x_refsource_FULLDISC","x_transferred","Broken Link","web"]},{"url":"http://www.openwall.com/lists/oss-security/2009/11/15/2","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory","article"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2009-3890"},{"url":"http://wordpress.org/development/2009/11/wordpress-2-8-6-security-release"},{"url":"https://github.com/advisories/GHSA-fg69-73j6-crqr"},{"url":"https://security-tracker.debian.org/tracker/CVE-2009-3890","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2009-3890","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.","status":"published","published":"2009-11-17T18:00:00Z","modified":"2024-09-16T23:46:39.551Z","updated_at":"2026-11-02T14:33:23.749891Z"}],"euvd":[{"id":"EUVD-2009-3861","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.","status":"published","published":"2009-11-17T18:00:00Z","modified":"2024-09-16T23:46:39Z","updated_at":"2026-11-03T00:54:46.734285Z"}],"ghsa":[{"id":"GHSA-fg69-73j6-crqr","title":"Unrestricted file upload vulnerability in the wp_check_filetype function in wp-includes/functions...","description":"Unrestricted file upload 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accessing this attachment via a direct request to a wp-content/uploads/ pathname, as demonstrated by a .php.jpg filename.","status":"published","published":"2009-11-17T18:30:00.313Z","modified":"2026-06-16T23:12:34.983Z","cvss":[{"version":"2.0","score":6,"vector":"AV:N/AC:M/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:01:37.939838Z"}],"osv":[{"id":"CVE-2009-3890","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.","status":"published","published":"2009-11-17T18:30:00Z","modified":"2026-04-10T03:40:57.455257Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2009-3890","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.","status":"published","published":"2009-11-17T18:30:00.313Z","modified":"2026-10-23T17:47:27.672516472Z","updated_at":"2026-11-02T15:45:24.013654Z"}]}}