{"cve_id":"CVE-2016-10033","published":"2016-12-30T19:59:00.137000+00:00","last_modified":"2026-06-17T00:38:55.477000+00:00","vuln_status":"Analyzed","description":"The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code via a \\\" (backslash double quote) in a crafted Sender property.","cvss_version":"3.1","cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","base_score":9.8,"base_severity":"CRITICAL","attack_vector":"NETWORK","privileges_req":"NONE","user_interaction":"NONE","scope":"UNCHANGED","impact_c":"HIGH","impact_i":"HIGH","impact_a":"HIGH","cwe_ids":["CWE-88"],"in_kev":true,"kev_date_added":"2025-07-07","kev_ransomware":false,"epss_score":0.99714,"epss_percentile":0.99952,"cap_rule_version":"0.1.1","stage":"INITIAL_ACCESS","req_access":"NONE","req_vector":"NETWORK","req_user_interaction":false,"grant_access":"USER","caps":["CODE_EXEC"],"terminal":false,"cap_confidence":"high","ingested_at":"2026-09-18T08:31:00.948372+00:00","first_seen":"2016-12-30T19:59:00.137000+00:00","kev_first_seen":"2025-07-07T00:00:00+00:00","novelty_score":0.0,"novelty_reasons":[],"novelty_at":null,"vendors":["joomla","phpmailer_project","wordpress"],"products":["joomla\\!","phpmailer","wordpress"],"affected":[{"vendor":"joomla","product":"joomla\\!","ranges":["≥ 1.5.0 and ≤ 3.6.5"]},{"vendor":"phpmailer_project","product":"phpmailer","ranges":["< 5.2.18"]},{"vendor":"wordpress","product":"wordpress","ranges":["≤ 4.7"]}]}