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CVE-2016-10033 - PHP PHPMailer

AI Vulnerability Context

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.

Overview

A source-backed snapshot of this vulnerability.

CISA KEVyesWhether CISA lists this as exploited.
Techniques0AI attack methods connected to this vulnerability.
Case studies0Examples where this vulnerability is mentioned.

Vulnerability status

How serious this vulnerability is and whether it is known to be exploited.

CISA KEVCRITICAL
CVE ID
CVE-2016-10033
Vendor/project
PHP
Product
PHPMailer
Vulnerability name
PHPMailer Command Injection Vulnerability
Date added
2025-07-07
Due date
2025-07-28
Known ransomware campaign use
Unknown
CVSS v3
9.8
CWE-77CWE-88

Exploit context

What the vulnerability is about.

No description available. The source record only contains identifiers and metadata.

Related AI techniques

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No related AI attack methods. No AI attack method is connected to this vulnerability in the current data.

Related case studies

Examples where this vulnerability is mentioned.

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No related case studies. No case study currently mentions this vulnerability.

Source evidence

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Original source

Original source links

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NVD CVE pagehttps://nvd.nist.gov/vuln/detail/CVE-2016-10033CVE API docshttps://nvd.nist.gov/developers/vulnerabilitiesData feedshttps://nvd.nist.gov/vuln/data-feedsCataloghttps://www.cisa.gov/known-exploited-vulnerabilities-catalogData repositoryhttps://github.com/cisagov/kev-dataaf854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/140291/PHPMailer-Remote-Code-Execution.htmlaf854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.htmlaf854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2016/Dec/78af854a3a-2127-422b-91ae-364da2661108http://www.rapid7.com/db/modules/exploit/multi/http/phpmailer_arg_injectionaf854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/archive/1/539963/100/0/threadedaf854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/95108af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1037533af854a3a-2127-422b-91ae-364da2661108https://developer.joomla.org/security-centre/668-20161205-phpmailer-security-advisory.htmlaf854a3a-2127-422b-91ae-364da2661108https://github.com/PHPMailer/PHPMailer/releases/tag/v5.2.18af854a3a-2127-422b-91ae-364da2661108https://github.com/PHPMailer/PHPMailer/wiki/About-the-CVE-2016-10033-and-CVE-2016-10045-vulnerabilitiesaf854a3a-2127-422b-91ae-364da2661108https://legalhackers.com/advisories/PHPMailer-Exploit-Remote-Code-Exec-CVE-2016-10033-Vuln.htmlaf854a3a-2127-422b-91ae-364da2661108https://www.drupal.org/psa-2016-004