This vulnerability in WP Meta SEO allows an attacker with high privileges and user interaction to inject malicious scripts that are stored and later executed in the context of other users. The issue stems from improper input sanitization during web page generation. It affects all versions up to 4.5.13. The CVSS vector indicates network attack vector, low attack complexity, high privileges required, user interaction required, scope changed, and impacts on confidentiality, integrity, and availability at a low level.

Successful exploitation could allow an attacker with high privileges to execute arbitrary scripts in the context of other users, potentially leading to information disclosure, modification of data, or disruption of availability within the affected WordPress environment. The impact is rated medium severity with low confidentiality, integrity, and availability impacts.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, limit administrative access to trusted users and monitor for suspicious activity related to the WP Meta SEO plugin. Avoid interacting with untrusted content or inputs within the plugin's interface.