CVE-2021-24412
Html5 Audio Player < 2.1.3 - Contributor+ Stored Cross-Site Scripting
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
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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
- Record
CVE-2021-24412- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Html5 Audio Player < 2.1.3 - Contributor+ Stored Cross-Site Scripting
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
- Record
CVE-2021-24412- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-11324 No score
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
- Record
EUVD-2021-11324- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-cq83-pmg7-mjwj No score
The Html5 Audio Player – Audio Player for WordPress plugin before 2.1.3 does not sanitise or...
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
- Record
GHSA-cq83-pmg7-mjwj- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-24412 is a medium vulnerability (CVSS 5.4) in Bplugins Html5 Audio Player, published October 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.65%, the 51st percentile. No source names a fixed version.