CVE-2016-10045: Remote code execution in PHPMailer

critical Affects phpmailer/phpmailer. Feed 2026.10.29.4, updated 2026-10-29; published 2020-03-05; advisory modified 2025-04-14.

Remote code execution in PHPMailer

Package: phpmailer/phpmailer Composer
Affected versions: >=5.0.0 and <5.2.20
Fixed in: 5.2.20
Severity: critical CVSS 9.8
Exploitation: not on CISA KEV · EPSS 98% (99.9th percentile)
Published: 2020-03-05
Source: osv.dev

References

CWE-77

NVD record phpmailer/phpmailer advisories

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CVE-2016-10033 KEV critical Remote code execution via crafted Sender in the isMail transport same package: phpmailer/phpmailer
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CVE-2020-13625 high Insufficient output escaping of attachment names in PHPMailer same package: phpmailer/phpmailer
CVE-2020-36326 critical Object injection in PHPMailer/PHPMailer same package: phpmailer/phpmailer
CVE-2021-34551 high Remote Code Execution vulnerability in PHPMailer 6.4.1 running on Windows same package: phpmailer/phpmailer
CVE-2007-3215 high PHPMailer Shell command injection same package: phpmailer/phpmailer