The Shuttle theme by shuttlethemes contains a stored cross-site scripting vulnerability (CVE-2025-62137) due to improper input neutralization during web page generation. This flaw affects versions up to 1.5.0 and could allow an attacker with low privileges and requiring user interaction to inject malicious scripts that execute in the context of other users' browsers. The vulnerability has a CVSS 3.1 score of 6.5, reflecting network attack vector, low attack complexity, required privileges, user interaction, and impacts on confidentiality, integrity, and availability.

Successful exploitation of this vulnerability could lead to execution of arbitrary scripts in the context of users' browsers, potentially resulting in data theft, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability. The CVSS score of 6.5 indicates a medium impact severity. There are no known exploits in the wild currently.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users of affected Shuttle versions should monitor for vendor updates and consider applying any forthcoming patches promptly. Until a fix is available, limiting user privileges and exercising caution with user-generated content may reduce risk.