# CVE-2026-104673: Sonaar MP3 Audio Player stored XSS in plugin

Source: https://junglewise.ai/threats/cve-2026-104673-improper-neutralization-of-input-during-web-page-generation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-05. Updated: 2026-10-05  
License: CC BY 4.0 with a link back

CVE-2026-104673 · Severity: medium · CVSS 6.5 · Published 2026-10-05

Sonaar MP3 Audio Player is a WordPress plugin that adds music and podcast playback functionality to websites. A stored cross-site scripting (XSS) vulnerability in versions up to 5.14.2 allows a contributor-level user to inject malicious scripts that execute in visitors' browsers, potentially stealing data or hijacking accounts. Exploitation requires user interaction such as clicking a malicious link.

Technologies: [Sonaar MP3 Audio Player for Music, Radio & Podcast](https://junglewise.ai/threats/technologies/mp3-audio-player-for-music-radio-podcast). Vendors: [Sonaar](https://junglewise.ai/threats/vendors/sonaar).

## Quick answers

**Is CVE-2026-104673 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-104673 being exploited in the wild.

**How severe is CVE-2026-104673?** Medium severity, with a CVSS score of 6.5, published 5 October 2026.

**Which products and versions are affected?** Sonaar MP3 Audio Player for Music, Radio & Podcast through 5.14.2.

**Is there a fix for CVE-2026-104673?** Yes: fixed in 5.15. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-104673 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-104673?** Check whether you run Sonaar MP3 Audio Player for Music or Radio & Podcast at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 5.15

## Technical details

The plugin fails to properly neutralize user input during web page generation, allowing stored XSS injection. The vulnerability affects versions through 5.14.2 and requires a contributor or higher privilege level to inject the malicious payload. An attacker can craft malicious scripts that persist in the application and execute in the browsers of site visitors.

## Affected products

- Sonaar MP3 Audio Player for Music, Radio & Podcast through 5.14.2

## Timeline

- 2026-10-05: disclosed

## References

- [https://wordpress.org/plugins](https://wordpress.org/plugins)
- [https://patchstack.com/database/wordpress/plugin/mp3-music-player-by-sonaar/vulnerability/wordpress-mp3-audio-player-for-music-radio-podcast-by-sonaar-plugin-5-14-2-cross-site-scripting-xss-vulnerability?_s_id=cve](https://patchstack.com/database/wordpress/plugin/mp3-music-player-by-sonaar/vulnerability/wordpress-mp3-audio-player-for-music-radio-podcast-by-sonaar-plugin-5-14-2-cross-site-scripting-xss-vulnerability?_s_id=cve)

## Related threats

- [Sonaar MP3 Audio Player cross-site scripting (XSS)](https://junglewise.ai/threats/cve-2026-81289-sonaar-mp3-audio-player-cross-site-scripting-xss)
- [Sonaar MP3 Audio Player broken access control](https://junglewise.ai/threats/cve-2026-65506-sonaar-mp3-audio-player-broken-access-control)
- [Sonaar MP3 Audio Player SSRF in WordPress plugin](https://junglewise.ai/threats/cve-2026-39647-sonaar-mp3-audio-player-ssrf-in-wordpress-plugin)