CVE-2016-2222
HighSummary
The wp_http_validate_url function in WordPress before version 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.
Risk Assessment
Attackers can exploit this vulnerability to send unauthorized requests to the server, potentially leading to data exposure or other unwanted actions.
Recommendation
It is recommended to update WordPress to version 4.4.2 or later to mitigate this vulnerability.
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Original NVD description (English source)
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.