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TI-2026-81707 Aliases CVE-2026-111967GHSA-fcm6-x3mr-xrh8

Stored cross-site scripting in MP3 Audio Player plugin via shortcode

Priority LOW 32CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-79.

Summary

The MP3 Audio Player WordPress plugin from 5.9 before 5.16 does not escape a shortcode attribute before writing it into an HTML attribute (CWE-79). A user with Contributor-level access or higher can inject arbitrary JavaScript that runs when another user, such as an administrator previewing a pending post, views the content. A public exploit is linked in the references.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

The MP3 Audio Player WordPress plugin before 5.16 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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00317 24th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed MP3 Audio Player (Unknown): 5.16

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownMP3 Audio Player5.9 to before 5.165.16Patch availableCNA
  • MP3 Audio Player VendorUnknown Affected 5.9 to before 5.16 Fixed in 5.16 Patch available CNA

Remediation

Update the MP3 Audio Player WordPress plugin to version 5.16.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA MP3 Audio Player (Unknown) Fixed in 5.16

Timeline

  1. 2026-10-28 Threatist record created from CVE-2026-111967
  2. 2026-10-28 Alias added: GHSA-fcm6-x3mr-xrh8
  3. 2026-10-28 CVSS score added · CISA ADP
  4. 2026-10-28 Weakness changed · CISA ADP
  5. 2026-10-28 CISA SSVC decision points changed

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences