This vulnerability (CVE-2024-35651) in Spiffy Plugins WP Flow Plus is due to improper input sanitization leading to stored cross-site scripting (CWE-79). It affects all versions through 5.2.2. An attacker with at least low privileges and requiring user interaction can inject malicious scripts that execute in the context of other users, potentially impacting confidentiality, integrity, and availability. The CVSS vector indicates network attack vector, low attack complexity, privileges required, user interaction required, and scope changed with low impact on confidentiality, integrity, and availability.

Successful exploitation could allow an attacker to execute arbitrary scripts in the context of other users, potentially leading to information disclosure, session hijacking, or other impacts on user data and site integrity. The impact is rated as medium severity with limited confidentiality, integrity, and availability impact according to the CVSS score. No known active exploitation has been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider restricting plugin usage to trusted users only and monitor for suspicious activity related to the plugin. Avoid exposing the plugin to untrusted users or inputs. Follow vendor channels for updates and apply patches promptly once released.