CVE-2021-24412: Bplugins HTML5 Audio Player

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

The Html5 Audio Player – Audio Player for WordPress plugin before 2.1.3 does not sanitise or validate the parameters from its shortcode, allowing users with a role as low as contributor to set Cross-Site Scripting payload in them which will be triggered in the page/s with the embed malicious shortcode

Affected products

• Bplugins HTML5 Audio Player: before 2.1.3 (fixed in 2.1.3)

Published 2021-10-18. Last modified 2026-06-17.