CVE-2026-32448 in Podlove Podcast Publisher Plugin
Summary
by MITRE • 03/13/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Eric Teubert Podlove Podcast Publisher podlove-podcasting-plugin-for-wordpress allows Stored XSS.This issue affects Podlove Podcast Publisher: from n/a through <= 4.3.3.
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Analysis
by VulDB Data Team • 03/15/2026
The CVE-2026-32448 vulnerability represents a critical cross-site scripting flaw within the Eric Teubert Podlove Podcast Publisher plugin for WordPress, specifically impacting versions through 4.3.3. This stored XSS vulnerability arises from inadequate input sanitization during web page generation processes, creating a persistent security risk that can affect multiple users simultaneously. The vulnerability stems from the plugin's failure to properly neutralize user-supplied data before incorporating it into dynamically generated web content, allowing malicious scripts to be injected and executed within the context of other users' browsers.
The technical flaw manifests when administrators or contributors input malicious content into podcast-related fields within the WordPress admin interface. This content gets stored in the database and subsequently rendered in podcast pages without proper sanitization or encoding. When other users access these pages, their browsers execute the malicious scripts, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of the victims. The vulnerability is classified as stored XSS under CWE-79, which specifically addresses the improper neutralization of input during web page generation processes, making it particularly dangerous as the malicious code persists and affects multiple users over time.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to establish persistent footholds within WordPress environments. Attackers can leverage this vulnerability to steal administrator credentials, modify podcast content, inject malicious advertisements, or redirect users to phishing sites. The attack surface is particularly concerning given that WordPress plugins often have elevated privileges and access to sensitive data. This vulnerability aligns with ATT&CK technique T1566.001, which involves the exploitation of web application vulnerabilities to execute malicious code, and T1071.001, which covers application layer protocol usage for command and control communications.
Organizations utilizing the Podlove Podcast Publisher plugin should immediately implement multiple layers of defense to mitigate this vulnerability. The primary mitigation involves upgrading to the latest available version of the plugin, which should contain proper input sanitization and output encoding mechanisms. Additionally, administrators should implement Content Security Policy headers to limit script execution and employ regular security audits of plugin installations. Input validation should be strengthened at multiple levels, including server-side sanitization, output encoding, and regular security scanning of the WordPress environment. The vulnerability demonstrates the critical importance of proper input validation and output encoding practices, as outlined in OWASP Top 10 A03:2021 and the CWE-79 remediation guidelines, which emphasize that all user-provided data must be treated as untrusted and properly sanitized before processing or rendering in web contexts.