{"id":"CVE-2017-8295","aliases":["DEBIAN-CVE-2017-8295","DLA-975-1","DSA-3870-1","EUVD-2017-17257","GHSA-xr65-2gpf-fj8v","UBUNTU-CVE-2017-8295"],"status":"published","title":"WordPress through 4.7.4 relies on the Host HTTP header for a password-reset e-mail message, which...","description":"WordPress through 4.7.4 relies on the Host HTTP header for a password-reset e-mail message, which makes it easier for remote attackers to reset arbitrary passwords by making a crafted wp-login.php?action=lostpassword request and then arranging for this message to bounce or be resent, leading to transmission of the reset key to a mailbox on an attacker-controlled SMTP server. This is related to problematic use of the SERVER_NAME variable in wp-includes/pluggable.php in conjunction with the PHP mail function. Exploitation is not achievable in all cases because it requires at least one of the following: (1) the attacker can prevent the victim from receiving any e-mail messages for an extended period of time (such as 5 days), (2) the victim's e-mail system sends an autoresponse containing the original message, or (3) the victim manually composes a reply containing the original message.","severity":{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.26699,"percentile":0.98037,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":true},"cwes":["CWE-640"],"published":"2017-05-04T14:00:00Z","modified":"2026-10-24T10:30:30Z","exploits":[{"source":"exploitdb","id":"EDB-41963","title":"WordPress Core \u003c 4.7.4 - Unauthorized Password Reset","type":"webapps","platform":"linux","date":"2017-05-03","url":"https://www.exploit-db.com/exploits/41963"},{"source":"pocgithub","id":"homjxi0e/CVE-2017-8295-WordPress-4.7.4---Unauthorized-Password-Reset","title":"homjxi0e/CVE-2017-8295-WordPress-4.7.4---Unauthorized-Password-Reset","date":"2017-05-04","url":"https://github.com/homjxi0e/CVE-2017-8295-WordPress-4.7.4---Unauthorized-Password-Reset"},{"source":"pocgithub","id":"alash3al/wp-allowed-hosts","title":"alash3al/wp-allowed-hosts","date":"2017-05-05","url":"https://github.com/alash3al/wp-allowed-hosts"},{"source":"pocgithub","id":"cyberheartmi9/CVE-2017-8295","title":"cyberheartmi9/CVE-2017-8295","date":"2017-05-06","url":"https://github.com/cyberheartmi9/CVE-2017-8295"}],"fixes":[{"ecosystem":"Debian:12","package":"wordpress","fixed_in":["4.7.5+dfsg-2"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wordpress","fixed_in":["4.7.5+dfsg-2"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"wordpress","fixed_in":["4.7.5+dfsg-2"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.5+dfsg-2"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.5+dfsg-2"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.7.5+dfsg-2"}]}]},{"source":"osv","ecosystem":"Debian:7","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.1+dfsg-1~deb7u15"}]}],"versions":["3.5.1+dfsg-2","3.5.2+dfsg-1","3.5.2+dfsg-1~deb6u1","3.5.2+dfsg-1~deb7u1","3.6+dfsg-1","3.6.1+dfsg-1~deb6u1","3.6.1+dfsg-1~deb6u2","3.6.1+dfsg-1~deb6u3","3.6.1+dfsg-1~deb6u4","3.6.1+dfsg-1~deb6u5","3.6.1+dfsg-1~deb6u6","3.6.1+dfsg-1~deb6u7","3.6.1+dfsg-1~deb6u8","3.6.1+dfsg-1~deb6u9","3.6.1+dfsg-1~deb7u1","3.6.1+dfsg-1~deb7u10","3.6.1+dfsg-1~deb7u11","3.6.1+dfsg-1~deb7u12","3.6.1+dfsg-1~deb7u13","3.6.1+dfsg-1~deb7u14","3.6.1+dfsg-1~deb7u2","3.6.1+dfsg-1~deb7u3","3.6.1+dfsg-1~deb7u4","3.6.1+dfsg-1~deb7u5","3.6.1+dfsg-1~deb7u6","3.6.1+dfsg-1~deb7u8","3.6.1+dfsg-1~deb7u9"],"bundled":6},{"source":"osv","ecosystem":"Debian:8","package":"wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.1+dfsg-1+deb8u14"}]}],"versions":["4.1+dfsg-1","4.1+dfsg-1+deb8u1","4.1+dfsg-1+deb8u10","4.1+dfsg-1+deb8u11","4.1+dfsg-1+deb8u12","4.1+dfsg-1+deb8u13","4.1+dfsg-1+deb8u2","4.1+dfsg-1+deb8u3","4.1+dfsg-1+deb8u4","4.1+dfsg-1+deb8u5","4.1+dfsg-1+deb8u6","4.1+dfsg-1+deb8u7","4.1+dfsg-1+deb8u8","4.1+dfsg-1+deb8u9"],"bundled":6},{"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":"https://www.exploit-db.com/exploits/41963/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://exploitbox.io/vuln/WordPress-Exploit-4-7-Unauth-Password-Reset-0day-CVE-2017-8295.html","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory","evidence","report"]},{"url":"http://www.debian.org/security/2017/dsa-3870","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","advisory"]},{"url":"http://www.securitytracker.com/id/1038403","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred","web"]},{"url":"http://www.securityfocus.com/bid/98295","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://wpvulndb.com/vulnerabilities/8807","tags":["x_refsource_MISC","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-8295"},{"url":"https://www.exploit-db.com/exploits/41963"},{"url":"https://github.com/advisories/GHSA-xr65-2gpf-fj8v"},{"url":"https://security-tracker.debian.org/tracker/CVE-2017-8295","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2017-8295","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2017-8295","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2017-8295","description":"WordPress through 4.7.4 relies on the Host HTTP header for a password-reset e-mail message, which makes it easier for remote attackers to reset arbitrary passwords by making a crafted wp-login.php?action=lostpassword request and then arranging for this message to bounce or be resent, leading to transmission of the reset key to a mailbox on an attacker-controlled SMTP server. This is related to problematic use of the SERVER_NAME variable in wp-includes/pluggable.php in conjunction with the PHP mail function. Exploitation is not achievable in all cases because it requires at least one of the following: (1) the attacker can prevent the victim from receiving any e-mail messages for an extended period of time (such as 5 days), (2) the victim's e-mail system sends an autoresponse containing the original message, or (3) the victim manually composes a reply containing the original message.","status":"published","published":"2017-05-04T14:00:00Z","modified":"2024-08-05T16:34:21.532Z","updated_at":"2026-11-02T14:33:14.89365Z"}],"euvd":[{"id":"EUVD-2017-17257","description":"WordPress through 4.7.4 relies on the Host HTTP header for a password-reset e-mail message, which makes it easier for remote attackers to reset arbitrary passwords by making a crafted wp-login.php?action=lostpassword request and then arranging for this message to bounce or be resent, leading to transmission of the reset key to a mailbox on an attacker-controlled SMTP server. This is related to problematic use of the SERVER_NAME variable in wp-includes/pluggable.php in conjunction with the PHP mail function. Exploitation is not achievable in all cases because it requires at least one of the following: (1) the attacker can prevent the victim from receiving any e-mail messages for an extended period of time (such as 5 days), (2) the victim's e-mail system sends an autoresponse containing the original message, or (3) the victim manually composes a reply containing the original message.","status":"published","published":"2017-05-04T14:00:00Z","modified":"2024-08-05T16:34:21Z","updated_at":"2026-11-03T02:39:05.933017Z"}],"ghsa":[{"id":"GHSA-xr65-2gpf-fj8v","title":"WordPress through 4.7.4 relies on the Host HTTP header for a password-reset e-mail message, which...","description":"WordPress through 4.7.4 relies on the Host HTTP header for a password-reset e-mail message, which makes it easier for remote attackers to reset arbitrary passwords by making a crafted wp-login.php?action=lostpassword request and then arranging for this message to bounce or be resent, leading to transmission of the reset key to a mailbox on an attacker-controlled SMTP server. This is related to problematic use of the SERVER_NAME variable in wp-includes/pluggable.php in conjunction with the PHP mail function. Exploitation is not achievable in all cases because it requires at least one of the following: (1) the attacker can prevent the victim from receiving any e-mail messages for an extended period of time (such as 5 days), (2) the victim's e-mail system sends an autoresponse containing the original message, or (3) the victim manually composes a reply containing the original message.","status":"published","published":"2022-05-17T00:26:36Z","modified":"2025-04-20T03:38:16Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"cwes":["CWE-640"],"updated_at":"2026-11-02T15:01:45.743786Z"}],"nvd":[{"id":"CVE-2017-8295","description":"WordPress through 4.7.4 relies on the Host HTTP header for a password-reset e-mail message, which makes it easier for remote attackers to reset arbitrary passwords by making a crafted wp-login.php?action=lostpassword request and then arranging for this message to bounce or be resent, leading to transmission of the reset key to a mailbox on an attacker-controlled SMTP server. This is related to problematic use of the SERVER_NAME variable in wp-includes/pluggable.php in conjunction with the PHP mail function. Exploitation is not achievable in all cases because it requires at least one of the following: (1) the attacker can prevent the victim from receiving any e-mail messages for an extended period of time (such as 5 days), (2) the victim's e-mail system sends an autoresponse containing the original message, or (3) the victim manually composes a reply containing the original message.","status":"published","published":"2017-05-04T14:29:00.2Z","modified":"2026-06-17T01:26:08.643Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-640"],"updated_at":"2026-11-02T14:03:47.848196Z"}],"osv":[{"id":"CVE-2017-8295","description":"WordPress through 4.7.4 relies on the Host HTTP header for a password-reset e-mail message, which makes it easier for remote attackers to reset arbitrary passwords by making a crafted wp-login.php?action=lostpassword request and then arranging for this message to bounce or be resent, leading to transmission of the reset key to a mailbox on an attacker-controlled SMTP server. This is related to problematic use of the SERVER_NAME variable in wp-includes/pluggable.php in conjunction with the PHP mail function. Exploitation is not achievable in all cases because it requires at least one of the following: (1) the attacker can prevent the victim from receiving any e-mail messages for an extended period of time (such as 5 days), (2) the victim's e-mail system sends an autoresponse containing the original message, or (3) the victim manually composes a reply containing the original message.","status":"published","published":"2017-05-04T14:29:00.2Z","modified":"2026-10-24T10:30:30.533170261Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:06.868403Z"},{"id":"DEBIAN-CVE-2017-8295","description":"WordPress through 4.7.4 relies on the Host HTTP header for a password-reset e-mail message, which makes it easier for remote attackers to reset arbitrary passwords by making a crafted wp-login.php?action=lostpassword request and then arranging for this message to bounce or be resent, leading to transmission of the reset key to a mailbox on an attacker-controlled SMTP server. This is related to problematic use of the SERVER_NAME variable in wp-includes/pluggable.php in conjunction with the PHP mail function. Exploitation is not achievable in all cases because it requires at least one of the following: (1) the attacker can prevent the victim from receiving any e-mail messages for an extended period of time (such as 5 days), (2) the victim's e-mail system sends an autoresponse containing the original message, or (3) the victim manually composes a reply containing the original message.","status":"published","published":"2017-05-04T14:29:00.2Z","modified":"2026-09-01T20:03:50.806122894Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:29.698576Z"},{"id":"UBUNTU-CVE-2017-8295","description":"WordPress through 4.7.4 relies on the Host HTTP header for a password-reset e-mail message, which makes it easier for remote attackers to reset arbitrary passwords by making a crafted wp-login.php?action=lostpassword request and then arranging for this message to bounce or be resent, leading to transmission of the reset key to a mailbox on an attacker-controlled SMTP server. This is related to problematic use of the SERVER_NAME variable in wp-includes/pluggable.php in conjunction with the PHP mail function. Exploitation is not achievable in all cases because it requires at least one of the following: (1) the attacker can prevent the victim from receiving any e-mail messages for an extended period of time (such as 5 days), (2) the victim's e-mail system sends an autoresponse containing the original message, or (3) the victim manually composes a reply containing the original message.","status":"published","published":"2017-05-04T14:29:00Z","modified":"2025-10-24T04:46:18Z","cvss":[{"version":"3.0","score":5.9,"vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T15:54:15.773974Z"},{"id":"DLA-975-1","title":"wordpress - security update","status":"published","published":"2017-06-02T00:00:00Z","modified":"2026-03-09T02:08:40.010292Z","updated_at":"2026-11-02T15:46:13.584509Z"},{"id":"DSA-3870-1","title":"wordpress - security update","status":"published","published":"2017-06-01T00:00:00Z","modified":"2026-03-09T01:17:45.427641Z","updated_at":"2026-11-02T15:46:16.523846Z"}]}}