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.
{ "cpes": [ "cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*", "cpe:2.3:a:wordpress:wordpress:4.1:-:*:*:*:*:*:*" ], "severity": "Medium" }