CVE-2024-32143: Podlove Podcast Publisher Auth Bypass

CVE-2024-32143 Overview

CVE-2024-32143 is a Missing Authorization vulnerability [CWE-862] in the Podlove Podcast Publisher plugin for WordPress. The flaw affects all plugin versions up to and including 4.1.0. Authenticated attackers with low-level privileges can invoke plugin functions that lack proper capability checks. Successful exploitation compromises the confidentiality, integrity, and availability of the affected WordPress site.

The vulnerability is network-exploitable and requires only low-privileged authentication with no user interaction. Site operators running the Podlove Podcast Publisher plugin should upgrade to a fixed release to eliminate the broken access control condition.

Critical Impact
Authenticated low-privilege users can bypass authorization controls in Podlove Podcast Publisher to perform actions restricted to higher-privileged roles, impacting content, configuration, and site availability.

Affected Products

Podlove Podcast Publisher for WordPress (all versions up to and including 4.1.0)
WordPress installations with the Podlove Podcasting Plugin enabled
Sites where low-privileged authenticated accounts (e.g., subscribers or contributors) exist alongside the vulnerable plugin

Discovery Timeline

2024-06-11 - CVE-2024-32143 published to the National Vulnerability Database
2026-06-17 - Last updated in NVD database

Technical Details for CVE-2024-32143

Vulnerability Analysis

The vulnerability is a broken access control issue in the Podlove Podcast Publisher WordPress plugin. Plugin endpoints do not verify that the requesting user holds the WordPress capability required to perform the underlying action. An authenticated user with minimal privileges can therefore invoke administrative or editorial functions exposed by the plugin.

The attack executes over the network against the WordPress admin-ajax or REST surface exposed by the plugin. Because the flaw only requires low-privileged authentication and no user interaction, attackers can automate exploitation once a foothold account exists. Impact spans confidentiality, integrity, and availability, indicating that vulnerable endpoints can read, modify, or disrupt podcast content and plugin configuration.

This is a common WordPress plugin failure pattern where nonce checks are present but capability checks such as current_user_can() are missing or insufficient. The result is a horizontal or vertical privilege escalation path, depending on the specific handler invoked.

Root Cause

The root cause is a Missing Authorization weakness [CWE-862]. Plugin request handlers omit or improperly implement WordPress capability checks, allowing users without the required role to reach privileged code paths. Authentication is treated as sufficient authorization, which is the defining characteristic of this weakness class.

Attack Vector

Exploitation requires an authenticated session with any low-privilege WordPress role. The attacker sends crafted HTTP requests to plugin endpoints that should be restricted to administrators or editors. See the PatchStack advisory for Podlove Podcast Publisher for endpoint-level technical details.

No public proof-of-concept exploit or entry in the CISA Known Exploited Vulnerabilities catalog has been observed at the time of writing. The EPSS probability is 0.439%.

Detection Methods for CVE-2024-32143

Indicators of Compromise

Unexpected creation, modification, or deletion of Podlove podcast episodes, feeds, or plugin settings by non-administrator accounts
HTTP POST requests from low-privileged authenticated users to admin-ajax.php or REST routes containing podlove action parameters
New or altered plugin configuration entries in the wp_options table with keys prefixed by podlove_

Detection Strategies

Review WordPress activity logs for privileged plugin actions performed by subscriber, contributor, or author accounts
Correlate web server access logs against user role data to flag low-privilege sessions hitting Podlove administrative endpoints
Deploy a WordPress-aware web application firewall rule that matches Podlove plugin action names invoked by non-administrator sessions

Monitoring Recommendations

Enable an audit-logging plugin (for example, WP Activity Log) to record capability-sensitive operations and user role at time of action
Alert on any new WordPress user account registrations followed by requests to Podlove endpoints within a short time window
Monitor changes to the Podlove plugin version and re-baseline detections after any update or configuration change

How to Mitigate CVE-2024-32143

Immediate Actions Required

Update the Podlove Podcast Publisher plugin to a version later than 4.1.0 that includes the broken access control fix
Audit existing WordPress user accounts and remove or downgrade any low-privilege accounts that are no longer needed
Rotate credentials for accounts that may have been used to exploit the endpoint prior to patching

Patch Information

Refer to the PatchStack advisory for the fixed release of Podlove Podcast Publisher. Install the update through the WordPress plugin manager or via WP-CLI. Verify the installed version after upgrade and re-test any custom integrations with the plugin.

Workarounds

Disable the Podlove Podcast Publisher plugin until the patched version is deployed if podcast publishing is not business-critical
Restrict access to wp-admin and admin-ajax.php from untrusted networks using web server ACLs or a WAF
Temporarily close open user registration and require administrator approval for new accounts to reduce the pool of low-privileged attackers

bash

# Update the Podlove Podcast Publisher plugin using WP-CLI
wp plugin update podlove-podcasting-plugin-for-wordpress

# Verify the installed version is greater than 4.1.0
wp plugin get podlove-podcasting-plugin-for-wordpress --field=version

# Optionally disable the plugin until patched
wp plugin deactivate podlove-podcasting-plugin-for-wordpress