CVE-2024-56203 Overview
CVE-2024-56203 is a Cross-Site Request Forgery (CSRF) vulnerability affecting the Wayne Audio Player WordPress plugin developed by gholme4. The flaw impacts all versions through 1.0 and allows an attacker to escalate privileges when a victim with elevated rights is tricked into visiting a crafted web page. The issue is tracked under CWE-352 and is documented in the Patchstack Vulnerability Report.
Critical Impact
Successful exploitation lets an unauthenticated attacker escalate privileges on a WordPress site by abusing an authenticated administrator's browser session, compromising site confidentiality, integrity, and availability.
Affected Products
- gholme4 Wayne Audio Player WordPress plugin
- Wayne Audio Player versions from n/a through 1.0
- WordPress sites running the wayne-audio-player plugin
Discovery Timeline
- 2024-12-31 - CVE-2024-56203 published to NVD
- 2026-04-23 - Last updated in NVD database
Technical Details for CVE-2024-56203
Vulnerability Analysis
The Wayne Audio Player plugin exposes one or more state-changing actions that do not validate the origin of the request. The plugin fails to enforce WordPress nonce checks (wp_verify_nonce) or other anti-CSRF tokens on privileged operations. An attacker can craft an HTML page that triggers a forged request to the vulnerable endpoint using the victim's browser session.
When the victim is an authenticated administrator, the forged request executes with the victim's privileges. The vulnerability chains CSRF into privilege escalation, meaning the attacker does not need valid credentials to gain elevated control. The attack is network-reachable and requires user interaction such as clicking a malicious link or loading attacker-controlled content.
Root Cause
The root cause is missing CSRF protection [CWE-352] on plugin actions that modify user roles or other privileged settings. WordPress provides the check_admin_referer and wp_verify_nonce APIs to bind state-changing requests to a server-issued token. The plugin omits these checks, so any authenticated session is sufficient to invoke the action.
Attack Vector
The attack vector is network-based and requires the targeted administrator to load attacker-controlled content while logged in to the WordPress site. The attacker hosts a page that auto-submits a form or issues a fetch request against the vulnerable plugin endpoint. The browser attaches the victim's WordPress session cookies, and the plugin processes the request as legitimate. No prior authentication by the attacker is required, but social engineering is needed to deliver the malicious link.
No verified public exploit code is available for CVE-2024-56203. Refer to the Patchstack Vulnerability Report for additional technical context.
Detection Methods for CVE-2024-56203
Indicators of Compromise
- Unexpected creation of new administrator accounts or role changes in wp_users and wp_usermeta tables.
- HTTP POST requests to Wayne Audio Player endpoints originating from external Referer headers.
- Administrator session activity correlated with visits to unfamiliar third-party URLs.
- Plugin configuration changes that were not initiated by site staff.
Detection Strategies
- Audit WordPress access logs for POST requests to wayne-audio-player handlers lacking valid nonce parameters.
- Monitor the WordPress audit trail or activity log plugin for unsolicited user role modifications.
- Inspect HTTP Referer headers on administrative actions and flag cross-origin sources.
- Compare installed plugin file hashes against the official distribution to detect tampering.
Monitoring Recommendations
- Enable a web application firewall (WAF) rule set that inspects WordPress admin requests for missing CSRF tokens.
- Forward WordPress and webserver logs to a centralized SIEM and alert on privilege changes.
- Track outbound network connections from administrator workstations during admin console sessions.
How to Mitigate CVE-2024-56203
Immediate Actions Required
- Deactivate and remove the Wayne Audio Player plugin until a patched release is confirmed by the vendor.
- Review all WordPress user accounts and revoke any administrator role that cannot be attributed to a legitimate change.
- Force a password reset and session invalidation for all administrator-level accounts.
- Restrict access to /wp-admin by IP allowlist where feasible.
Patch Information
No fixed version is identified in the available advisory data. The vulnerability affects Wayne Audio Player through version 1.0. Monitor the Patchstack Vulnerability Report and the official WordPress plugin repository for an updated release that adds nonce validation to privileged actions.
Workarounds
- Remove the wayne-audio-player plugin directory from wp-content/plugins/ if a patch is not yet available.
- Deploy a WAF rule blocking POST requests to plugin endpoints that lack a valid _wpnonce parameter.
- Train administrators to log out of WordPress before browsing untrusted sites and to use a dedicated browser profile for admin work.
- Enforce least privilege by reducing the number of accounts with administrator capability.
# Disable the vulnerable plugin via WP-CLI
wp plugin deactivate wayne-audio-player
wp plugin delete wayne-audio-player
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
