---
id: CVE-2026-111967
title: >-
  MP3 Audio Player by Sonaar 5.9 - 5.15 - Contributor+ Stored XSS via Shortcode
  Attribute
summary: >-
  The MP3 Audio Player  WordPress plugin before 5.16 does not escape one of its
  audio player shortcode attributes before outputting it into an HTML attribute,
  allowing users with Contributor-level access and above to inject arbitrary
  JavaS…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H'
cvssSource: adp
cwe:
  - CWE-79
product: MP3 Audio Player
affected:
  - mp3_audio_player >= 5.9 < 5.16
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-28T17:43:05.697346Z'
published: '2026-10-28'
updated: '2026-10-28'
sourceUpdated: '2026-10-28T17:58:05.640Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111967'
references:
  - url: 'https://wpscan.com/vulnerability/b0013531-eecd-4cbc-a0d2-2872384e6f3c/'
tags:
  - cve.org
epss: 0.00317
epssPercentile: 0.2473
ingestedAt: '2026-10-28T07:06:27.138Z'
---

## Overview

The MP3 Audio Player  WordPress plugin before 5.16 does not escape one of its audio player shortcode attributes before outputting it into an HTML attribute, allowing users with Contributor-level access and above to inject arbitrary JavaScript that executes when another user, such as an administrator previewing a pending post, views the content.

## Affected

- `mp3_audio_player >= 5.9 < 5.16`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.