WordPress instances below version 6.1.1 are vulnerable to CVE-2022-3590 when XML-RPC or pingbacks is enabled.

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 could reach internal hosts that would otherwise be explicitly forbidden.

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Monday, December 19, 2022

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