Description
WordPress is affected by an unauthenticated blind SSRF in the pingback feature. Because of a TOCTOU race condition between the validation checks and the HTTP request, attackers can reach internal hosts that are explicitly forbidden.
Remediation
References
Related Vulnerabilities
WordPress Plugin Bricks Remote Code Execution (1.9.6)
osCommerce Other Vulnerability (CVE-2006-5190)
LimeSurvey Improper Restriction of XML External Entity Reference Vulnerability (CVE-2019-16174)
Oracle Database Server CVE-2015-0483 Vulnerability (CVE-2015-0483)
WordPress Plugin WordPress Landing Pages Cross-Site Scripting (2.2.4)