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critical9.8Public exploit code

CVE-2016-10045

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 co…

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

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.

Affected products

VendorProductAffected versions
Phpmailer ProjectPhpmailer
before 5.2.20
WordpressWordpress
through 4.7
JoomlaJoomla\!
from 1.5.0 through 3.6.5

Weakness classification

References