CVE-2017-5491: wp-mail.php in WordPress before 4.7.1 might allow remote attackers to bypass intended posting restrictions via a spoofed mail server with the mail.example.com name.

medium Affects WordPress core. Feed 2026.10.29.1, updated 2026-10-28; published 2017-01-15; advisory modified 2026-06-17.

wp-mail.php in WordPress before 4.7.1 might allow remote attackers to bypass intended posting restrictions via a spoofed mail server with the mail.example.com name.

Package: WordPress core WordPress
Affected versions: <=4.7
Fixed in: no fix recorded
Severity: medium CVSS 5.3
Exploitation: not on CISA KEV · EPSS 3% (88.2th percentile)
Published: 2017-01-15
Source: nvd

References

CWE-1188

NVD record WordPress core advisories

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