Stored Cross-Site Scripting Vulnerability in MP3 Audio Player Plugin by Sonaar for WordPress
CVE-2026-16776

6.4MEDIUM

What is CVE-2026-16776?

The MP3 Audio Player plugin by Sonaar for WordPress is vulnerable to Stored Cross-Site Scripting due to improper input sanitization and output escaping in shortcode attributes. Authenticated users with contributor-level access can exploit this vulnerability to inject arbitrary scripts into web pages. This can result in malicious scripts being executed when other users access the compromised pages, as the wp_kses_post function fails to neutralize certain payloads delivered through shortcode attributes.

Affected Version(s)

MP3 Audio Player – Music Player, Podcast Player & Radio by Sonaar 0 <= 5.14.2

References

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wordfence PRISM
.