Vulnerability in Wordpress

CVE-2016-2222

The wp_http_validate_url function in wp-includes/http.php in WordPress before 4.4.2 allows remote attackers to conduct server-side request forgery (SSRF) attacks via a zero value in the first octet of an IPv4 address in the u parameter to wp-admin/press-this.php.

EPSS: 0.093 (94.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N.

Affected products

  • Wordpress — versions 4.4.1
  • N/a — versions n/a

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2016-2222?
CVE-2016-2222 is a high-severity vulnerability in Wordpress. CVSS score: 8.6/10. Published 2016-05-22.
How severe is CVE-2016-2222?
High severity. CVSS v3 base score is 8.6 out of 10.
Is CVE-2016-2222 known to be exploited?
6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.