CRITICALCVSS 9.8Actively exploited · CISA KEV since 2025-07-07Vulnerability

CVE-2016-10033

PHPMailer contains a command injection vulnerability because it fails to sanitize user-supplied input. Specifically, this issue affects the 'mail()' function of 'class.phpmailer.php' script. An attacker can exploit this issue to execute arbitrary code within the context of the application. Failed exploit attempts will result in a denial-of-service condition.

Properties

Vulnerability name
PHPMailer Command Injection Vulnerability
First seen
2025-10-21T23:55:47+00:00
Cvss score
9.8
Epss score
0.99714
Last seen
2026-10-19T12:00:27+00:00
Due date
2025-07-28
Euvd assigner
mitre
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2025-07-07T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2025-07-07
Score
9.8
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor project
PHP

Related Entities (6)

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CVE-2016-10033 (CVSS 9.8) — Ninja Signal Threat Intelligence | Ninja Signal