What’s Vulnerable › Vulnerabilities

CVE-2017-5491

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-01-15 · updated 2026-06-17
• Weakness: CWE-1188

Description

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.

Affected products

• WordPress: through 4.7

References

• http://www.debian.org/security/2017/dsa-3779
• http://www.openwall.com/lists/oss-security/2017/01/14/6
• http://www.securityfocus.com/bid/95406
• http://www.securitytracker.com/id/1037591
• https://codex.wordpress.org/Version_4.7.1
• https://github.com/WordPress/WordPress/commit/061e8788814ac87706d8b95688df276fe3c8596a
• https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/
• https://wpvulndb.com/vulnerabilities/8719
• http://www.debian.org/security/2017/dsa-3779
• http://www.openwall.com/lists/oss-security/2017/01/14/6
• http://www.securityfocus.com/bid/95406
• http://www.securitytracker.com/id/1037591

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