This vulnerability (CVE-2026-39449) is an unauthenticated Cross-Site Scripting (XSS) issue in Contact Form to Any API versions <= 3.0.3 by IT Path Solutions. The flaw arises from improper neutralization of input during web page generation (CWE-79), enabling attackers to inject malicious scripts that execute in the context of users' browsers. The CVSS 3.1 base score is 7.1, reflecting network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability with scope changed.

Successful exploitation allows unauthenticated attackers to execute arbitrary scripts in the context of users visiting affected web pages, potentially leading to data theft, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability. The vulnerability affects all users interacting with the vulnerable plugin versions, but no known exploits in the wild have been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, consider applying input validation or output encoding workarounds if feasible. Monitor vendor communications for updates and apply patches promptly once available.