WordPress Plugin Vulnerabilities

MP3 Audio Player by Sonaar 5.9 - 5.15 - Contributor+ Stored XSS via Shortcode Attribute

Description

The plugin 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.

Proof of Concept

Affects Plugins

References

Classification

Type
XSS
CWE

Miscellaneous

Original Researcher
Hexxed BitHeadz
Submitter
Hexxed BitHeadz
Submitter website
Verified
Yes

Timeline

Publicly Published
2026-10-26 (about 2 days ago)
Added
2026-10-26 (about 1 day ago)
Last Updated
2026-10-26 (about 1 day ago)

Other