CVE-2026-81289: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in sonaar MP3 Audio Player for Music, Radio & Podcast by Sonaar

This vulnerability, identified as CWE-79, involves improper neutralization of input during web page generation in the Sonaar MP3 Audio Player for Music, Radio & Podcast. It allows unauthenticated attackers to perform cross-site scripting (XSS) attacks on affected versions up to 5.13.1. The CVSS 3.1 base score is 7.1, indicating a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability.

Successful exploitation can lead to the execution of arbitrary scripts in the context of the affected web application, potentially allowing attackers to steal user data, manipulate content, or disrupt service availability. The vulnerability affects confidentiality, integrity, and availability to a limited extent as indicated by the CVSS vector.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are currently provided. Until a patch is available, users should consider mitigating exposure by limiting access or applying web application firewall rules to detect and block XSS payloads.