CVE-2026-85415
Deferred Deferred - Pending Action

Stored XSS in Audio Player Block WordPress Plugin

Publication date: 2026-09-30

Last updated on: 2026-09-30

Assigner: WPScan

Description
The Audio Player Block WordPress plugin before 1.6.3 does not validate the scheme of a user-supplied URL before using it as a link target, allowing users with the Contributor role and above to store malicious JavaScript that executes in the session of any user who later triggers the link (such as an administrator or editor reviewing the post).

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Meta Information

Published
2026-09-30
Last Modified
2026-09-30
Generated
2026-10-19
AI Q&A
2026-09-30
EPSS Evaluated
2026-10-18
NVD
CVE-2026-85415
EUVD
EUVD-2026-89632

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
audio_player_block plugin to 1.6.3 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This is a stored Cross-Site Scripting (XSS) vulnerability in the Audio Player Block WordPress plugin. It allows users with Contributor role or higher to inject malicious JavaScript by supplying a URL with an improperly validated scheme. When other users like administrators interact with the link, the injected script executes in their session.

Detection Guidance

To detect this vulnerability, check the installed version of the Audio Player Block plugin. If the version is between 1.1.0 and 1.6.2, the system is vulnerable. Use commands like 'wp plugin list' in WordPress or inspect the plugin files for version details.

Impact Analysis

An attacker could steal session cookies, perform actions on your behalf, or redirect you to malicious sites. Administrators or editors reviewing posts could unknowingly trigger the malicious link, leading to account compromise or unauthorized access to sensitive data.

Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR's data protection requirements. For HIPAA, it may expose protected health information, risking compliance with security and privacy rules. Both standards require protecting user data from unauthorized access.

Mitigation Strategies

Immediately update the Audio Player Block plugin to version 1.6.3 or later. If updating is not possible, remove the plugin until an update is available. Review user roles to ensure only trusted users have Contributor access or higher.

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