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CVE-2016-10045

Published: Dec 30, 2016Updated: May 6, 2026 Sources: CVE List NVD GHSACWE-77
9.8CRITICAL
NVD MITRE
EPSS Score
98.0%
Top 0.1%
CISA KEV
Not in KEV
Exploits
13 Known
Remediation
Patch Available

Description

The isMail transport in PHPMailer before 5.2.20 might allow remote attackers to pass extra parameters to the mail command and consequently execute arbitrary code by leveraging improper interaction between the escapeshellarg function and internal escaping performed in the mail function in PHP. NOTE: this vulnerability exists because of an incorrect fix for CVE-2016-10033.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-77

Affected Products

phpmailerphpmailer project
Library
OSS Libraries / generic-library
wordpresswordpress
On-premWeb App
Web & CMS Plugins / cms-core
joomla\!joomla
On-premWeb App
Web & CMS Plugins / cms-core
phpmailer/phpmailerPackagistOSS Libraries
n/an/a
phpmailer projectoss-projectOSS Libraries
wordpressoss-projectUSWeb & CMS Pluginsaka wp, wordpress.org, wordpress mu
joomlaoss-projectAUWeb & CMS Pluginsaka joomla!, bsq sitestats
packagistpackage-ecosystemOSS Libraries

Exploitability

13 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

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Official Patch Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Execution
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References

http://openwall.com/lists/oss-security/2016/12/28/1
openwall.com
http://packetstormsecurity.com/files/140286/PHPMailer-Remote-Code-Execution.html
packetstormsecurity.com
http://packetstormsecurity.com/files/140350/PHPMailer-Sendmail-Argument-Injection.html
packetstormsecurity.com
and 19 more references View all →

Timeline

Published
Dec 30, 2016
Last Updated
May 6, 2026

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