CVE-2026-66615 is an unauthenticated cross-site scripting (XSS) vulnerability affecting Podlove Podcast Publisher versions <= 4.5.4. The vulnerability allows remote attackers to inject malicious scripts without requiring authentication, potentially impacting confidentiality, integrity, and availability of the affected system. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, and scope changed, with low confidentiality, integrity, and availability impacts.

Successful exploitation could allow attackers to execute arbitrary scripts in the context of users' browsers, potentially leading to partial disclosure of information, manipulation of data, or disruption of service. The vulnerability affects unauthenticated users, increasing the risk of exploitation. However, 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 web application firewall (WAF) rules to detect and block XSS payloads targeting the affected application. Avoid clicking on suspicious links or inputs related to the Podlove Podcast Publisher interface.