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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.079 (94.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.079 · newest: 0.079 · change: 0.000
Affected products
- WordPress — versions 4.4.1
Public proof-of-concept exploits
References
- codex.wordpress.org/Version_4.4.2 (Patch)
- www.securitytracker.com/id/1034933 (vdb-entry)
- wpvulndb.com/vulnerabilities/8376
- core.trac.wordpress.org/changeset/36435
- www.securityfocus.com/bid/82454 (vdb-entry)
- wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/ (Patch, Vendor Advisory)
- www.debian.org/security/2016/dsa-3472 (vendor-advisory)
- hackerone.com/reports/110801 (Exploit)
- news.ycombinator.com/item
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.