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Html5 Audio Player <= 2.1.2 — Contributor+ Stored Cross-Site Scripting

CVE-2021-24412Published · Updated

Action summary

Affected: ≤2.1.2Update to 2.1.3 or newer

All remediation steps
Watch plugin
Severity
Medium6.4
CVSS
6.4
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:C Scope
Changed
C:L Confidentiality
Low
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-79 Cross-Site Scripting
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed
On this page8

Am I affected?

HTML5 Audio Player – The Ultimate No-Code Podcast, MP3 & Audio Player html5-audio-player

  1. Affected≤ 2.1.2
  2. Patched in2.1.3

Update to 2.1.3 or newer.

You are affected if you run ≤ 2.1.2. Version 2.1.3 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under HTML5 Audio Player – The Ultimate No-Code Podcast, MP3 & Audio Player.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 2.1.3, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch HTML5 Audio Player – The Ultimate No-Code Podcast, MP3 & Audio Player to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Michal Lipinski.

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

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in HTML5 Audio Player – The Ultimate No-Code Podcast, MP3 & Audio Player

All 8
More vulnerabilities in HTML5 Audio Player – The Ultimate No-Code Podcast, MP3 & Audio Player
SeverityVulnerabilityCVEPublished
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.8.8No patch available
CVE-2026-62039
Medium6.1Reflected DOM-Based Cross-Site Scripting via url Parameter
≤5.5.8Update to 5.5.9
CVE-2024-13362
High7.22.5.1 - Unauthenticated Server-Side Request Forgery
2.4.0 – 2.5.1Update to 2.5.2
CVE-2025-13999
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.2.28Update to 2.3.0
CVE-2025-39524
Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤2.2.23Update to 2.2.24
CVE-2024-37445

Same weakness (Cross-Site Scripting)

All Cross-Site Scripting
Other Cross-Site Scripting vulnerabilities
SeverityVulnerabilityCVEPublished
High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup≤5.25.25Update to 5.26.45
CVE-2026-120688
Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder≤1.0.2Update to 1.1
CVE-2026-125055
Critical9.8Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter
ELEX WordPress HelpDesk & Customer Ticketing System≤3.3.9Update to 3.4.0
CVE-2026-119077
Medium5.3Unauthenticated Sensitive Information Exposure in 'search' Parameter
Customer Reviews for WooCommerce≤5.127.0Update to 5.128.0
CVE-2026-121518

Timeline

  1. CVE published

    Severity medium, CVSS 6.4

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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