The vulnerability CVE-2025-59573 affects CozyThemes Cozy Blocks up to version 2.1.29. It is caused by improper neutralization of script-related HTML tags in web pages, which enables basic cross-site scripting (XSS) attacks through code injection. The CVSS 3.1 base score is 5.3, reflecting a medium severity with network attack vector, low attack complexity, no privileges or user interaction required, and limited confidentiality impact. No official patch or vendor advisory is available at this time.

Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages rendered by Cozy Blocks, potentially leading to limited confidentiality impact such as theft of non-sensitive information or session data. There is no reported impact on integrity or availability. 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 applying input validation or sanitization controls where possible to mitigate injection risks. Monitor CozyThemes communications for updates on patches or official mitigations.