This vulnerability in aandrew-me ytDownloader (versions up to 3.20.2) involves improper handling in the createTextNode function within the Error Details Panel component, leading to cross-site scripting (XSS). An attacker can remotely exploit this flaw to inject malicious scripts, potentially impacting users who interact with the affected component. The CVSS 4.0 base score is 5.3, indicating a medium severity with network attack vector, low attack complexity, no privileges required, and user interaction needed. The vendor has been contacted but no official fix or patch has been disclosed at this time.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected application, potentially leading to user session hijacking or other client-side impacts. However, the impact on confidentiality and integrity is rated low, and the attack requires user interaction. No known exploits are currently reported in the wild.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when interacting with the Error Details Panel in affected versions and consider limiting exposure to untrusted inputs. Monitor vendor communications for updates on patches or mitigations.