Is phpmailer/phpmailer affected by CVE-2016-10033?

Packagist phpmailer/phpmailer is affected in >=5.0.0 <5.2.18.

Is CVE-2016-10033 being exploited?

Yes — it is on the CISA Known Exploited Vulnerabilities (KEV) list.

critical exploited in the wild

CVE-2016-10033

Q: Is CVE-2016-10033 being exploited?

Yes — it is on the CISA Known Exploited Vulnerabilities (KEV) list.

Packagist · phpmailer/phpmailer

Summary

Remote code execution in PHPMailer

Severity: critical
EPSS: 99.7% (p100)
Also known as: GHSA-5f37-gxvh-23v6
Published: 2020-03-05

References

https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-5f37-gxvh-23v6
https://nvd.nist.gov/vuln/detail/CVE-2016-10033
https://www.exploit-db.com/exploits/42221

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.