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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (7.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 8.6 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
- EPSS
- 7.87% probability · 94th percentile
- CISA KEV
- Not listed
- Affected
- wordpress/wordpress
- Source
- security@debian.org
References
- http://www.debian.org/security/2016/dsa-3472
- http://www.securityfocus.com/bid/82454
- http://www.securitytracker.com/id/1034933
- https://codex.wordpress.org/Version_4.4.2Patch
- https://core.trac.wordpress.org/changeset/36435
- https://hackerone.com/reports/110801Exploit
- https://news.ycombinator.com/item?id=20433070
- https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/Patch, Vendor Advisory
- https://wpvulndb.com/vulnerabilities/8376
- http://www.debian.org/security/2016/dsa-3472
- http://www.securityfocus.com/bid/82454
- http://www.securitytracker.com/id/1034933
- https://codex.wordpress.org/Version_4.4.2Patch
- https://core.trac.wordpress.org/changeset/36435
- https://hackerone.com/reports/110801Exploit
- https://news.ycombinator.com/item?id=20433070
- https://wordpress.org/news/2016/02/wordpress-4-4-2-security-and-maintenance-release/Patch, Vendor Advisory
- https://wpvulndb.com/vulnerabilities/8376
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.