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.
Remediation
References
Related Vulnerabilities
Atlassian Confluence Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2012-6342)
OpenSSL Inefficient Regular Expression Complexity Vulnerability (CVE-2023-3446)
PostgreSQL Numeric Errors Vulnerability (CVE-2013-1900)
MediaWiki Incorrect Permission Assignment for Critical Resource Vulnerability (CVE-2022-47927)
WordPress Plugin Front File Manager 'upload.php' Arbitrary File Upload (0.1)