The Kodex Posts likes WordPress plugin suffers from a reflected cross-site scripting vulnerability due to the use of add_query_arg without proper escaping of URL parameters. This flaw allows unauthenticated attackers to inject arbitrary web scripts that execute when a victim clicks a maliciously crafted link. The vulnerability affects all versions up to 2.5.0. The CVSS 3.1 base score is 6.1 (medium), with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts confidentiality and integrity with no impact on availability. No patch or official remediation guidance is currently provided by the vendor.

Successful exploitation can lead to execution of arbitrary scripts in the context of the victim's browser, potentially allowing theft of sensitive information or session tokens, and manipulation of web content. The vulnerability requires user interaction (clicking a crafted link) and does not require authentication. There are no known active exploits in the wild. The impact is limited to confidentiality and integrity, with no direct availability impact.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should avoid clicking on suspicious links related to the Kodex Posts likes plugin and consider disabling or removing the plugin if feasible. Monitor vendor communications for updates and apply patches promptly once available.