RCE in Wordpress

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.

EPSS: 0.032 (86.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-5491?
CVE-2017-5491 is a medium-severity vulnerability in Wordpress, classified under Initialization of a Resource with an Insecure Default. CVSS score: 5.3/10. Published 2017-01-15.
How severe is CVE-2017-5491?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2017-5491 known to be exploited?
7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.