{"id":"CVE-2016-6896","aliases":["DEBIAN-CVE-2016-6896","EUVD-2016-7781","GHSA-7r4r-qf37-vqqq","UBUNTU-CVE-2016-6896"],"status":"published","title":"Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax...","description":"Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.","severity":{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.38068,"percentile":0.98566,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-22"],"published":"2017-01-18T21:00:00Z","modified":"2026-10-24T10:30:34Z","exploits":[{"source":"exploitdb","id":"EDB-40288","title":"WordPress Core 4.5.3 - Directory Traversal / Denial of Service","type":"webapps","platform":"php","date":"2016-08-22","verified":true,"url":"https://www.exploit-db.com/exploits/40288"}],"fixes":[{"ecosystem":"Debian:12","package":"wordpress","fixed_in":["4.6.1+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wordpress","fixed_in":["4.6.1+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"wordpress","fixed_in":["4.6.1+dfsg-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.1+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.1+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.6.1+dfsg-1"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["4.3+dfsg-1","4.3.1+dfsg-1","4.4+dfsg-1","4.4.1+dfsg-1","4.4.2+dfsg-1","4.4.2+dfsg-1ubuntu1"]}],"products":[{"vendor":"wordpress","product":"wordpress"}],"references":[{"url":"http://www.securitytracker.com/id/1036683","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"https://www.exploit-db.com/exploits/40288/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2016/08/20/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Mailing List","Third Party Advisory","advisory"]},{"url":"https://sumofpwn.nl/advisory/2016/path_traversal_vulnerability_in_wordpress_core_ajax_handlers.html","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory","evidence","report"]},{"url":"https://wpvulndb.com/vulnerabilities/8606","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-6896"},{"url":"https://www.exploit-db.com/exploits/40288"},{"url":"https://github.com/advisories/GHSA-7r4r-qf37-vqqq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2016-6896","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2016-6896","tags":["report"]},{"url":"http://seclists.org/oss-sec/2016/q3/347","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2016-6896","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2016-6896","description":"Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.","status":"published","published":"2017-01-18T21:00:00Z","modified":"2024-08-06T01:43:38.528Z","updated_at":"2026-11-02T14:33:34.815789Z"}],"euvd":[{"id":"EUVD-2016-7781","description":"Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.","status":"published","published":"2017-01-18T21:00:00Z","modified":"2024-08-06T01:43:38Z","updated_at":"2026-11-03T02:22:35.048987Z"}],"ghsa":[{"id":"GHSA-7r4r-qf37-vqqq","title":"Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax...","description":"Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.","status":"published","published":"2022-05-17T01:17:44Z","modified":"2025-04-20T03:32:17Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T15:01:39.626411Z"}],"nvd":[{"id":"CVE-2016-6896","description":"Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.","status":"published","published":"2017-01-18T21:59:00.277Z","modified":"2026-06-17T00:51:57.193Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5.5,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:03:33.686843Z"}],"osv":[{"id":"CVE-2016-6896","description":"Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.","status":"published","published":"2017-01-18T21:59:00.277Z","modified":"2026-10-24T10:30:34.449760469Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:02.776224Z"},{"id":"DEBIAN-CVE-2016-6896","description":"Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.","status":"published","published":"2017-01-18T21:59:00.277Z","modified":"2026-09-22T07:02:12.468869071Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:27.910042Z"},{"id":"UBUNTU-CVE-2016-6896","description":"Directory traversal vulnerability in the wp_ajax_update_plugin function in wp-admin/includes/ajax-actions.php in WordPress 4.5.3 allows remote authenticated users to cause a denial of service or read certain text files via a .. (dot dot) in the plugin parameter to wp-admin/admin-ajax.php, as demonstrated by /dev/random read operations that deplete the entropy pool.","status":"published","published":"2017-01-18T21:59:00Z","modified":"2025-10-24T04:45:52Z","cvss":[{"version":"3.0","score":7.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:12.642042Z"}]}}