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Vulnerability record · CVE-2017-15806 · published 15 November 2017

CVE-2017-15806: Zetacomponents mail code injection vulnerability

Zetacomponents · Mail

The send function in the ezcMailMtaTransport class in Zeta Components Mail before 1.8.2 does not properly restrict the set of characters used in the ezcMail returnPath property, which might allow remote attackers to execute arbitrary code via a crafted email address, as demonstrated by one containing "-X/path/to/wwwroot/file.php."

8.1 CVSS 3.0 High EPSS 11% · top 4.3% CWE-94 · Code injection
8.1CVSS 3.0 base score, v2 6.8
11%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
12References
17 Jun 2026Last modified by NVD

Description

The send function in the ezcMailMtaTransport class in Zeta Components Mail before 1.8.2 does not properly restrict the set of characters used in the ezcMail returnPath property, which might allow remote attackers to execute arbitrary code via a crafted email address, as demonstrated by one containing "-X/path/to/wwwroot/file.php."

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/101866 Third Party AdvisoryVDB Entry
https://github.com/zetacomponents/Mail/issues/58 Issue TrackingThird Party Advisory
https://github.com/zetacomponents/Mail/releases/tag/1.8.2 Issue TrackingRelease NotesThird Party Advisory
https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-critical-rce-vulnerability/ Issue TrackingThird Party Advisory
https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-yuan-cheng-dai-ma-zhi-xing-lou-dong/ Issue TrackingThird Party Advisory
https://www.exploit-db.com/exploits/43155/ Issue TrackingThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/101866 Third Party AdvisoryVDB Entry
https://github.com/zetacomponents/Mail/issues/58 Issue TrackingThird Party Advisory
https://github.com/zetacomponents/Mail/releases/tag/1.8.2 Issue TrackingRelease NotesThird Party Advisory
https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-critical-rce-vulnerability/ Issue TrackingThird Party Advisory
https://kay-malwarebenchmark.github.io/blog/cve-2017-15806-yuan-cheng-dai-ma-zhi-xing-lou-dong/ Issue TrackingThird Party Advisory
https://www.exploit-db.com/exploits/43155/ Issue TrackingThird Party AdvisoryVDB Entry

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Source: NIST National Vulnerability Database (record CVE-2017-15806), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.