CVE-2016-2222
HIGH severity · CVSS 8.6
8.6CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)9%
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://codex.wordpress.org/Version_4.4.2 ↗
Additional information
- NVD record
- https://codex.wordpress.org/Version_4.4.2Patch
- https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/Patch
- http://www.debian.org/security/2016/dsa-3472
- http://www.securityfocus.com/bid/82454
- http://www.securitytracker.com/id/1034933
- https://core.trac.wordpress.org/changeset/36435
- https://news.ycombinator.com/item?id=20433070
- https://hackerone.com/reports/110801Exploit