CVE-2024-43983 in Podcast Publisher Plugin
Summary
by MITRE • 09/18/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Podlove Podlove Podcast Publisher allows Stored XSS.This issue affects Podlove Podcast Publisher: from n/a through 4.1.13.
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Analysis
by VulDB Data Team • 03/09/2025
The CVE-2024-43983 vulnerability represents a critical security flaw in the Podlove Podcast Publisher software that enables stored cross-site scripting attacks through improper input neutralization during web page generation. This vulnerability specifically targets the web application's handling of user-supplied data within podcast publishing workflows, creating a persistent security risk that can affect multiple users simultaneously. The issue exists within the Podlove Podcast Publisher framework, impacting versions ranging from an unspecified initial version through 4.1.13, indicating a broad attack surface that has likely affected numerous podcast publishing platforms over time. The vulnerability's classification as a stored XSS means that malicious payloads can be permanently injected into the application's database or configuration files, making them persistent across user sessions and potentially affecting all visitors to the affected podcast website.
The technical root cause of this vulnerability stems from inadequate sanitization and validation of user input during the web page generation process within the podcast publisher's backend systems. When users interact with the application's interface to create or modify podcast content, metadata, or configuration settings, the system fails to properly neutralize potentially malicious script content before rendering it in web pages. This flaw allows attackers to inject malicious javascript code through various input fields such as podcast titles, episode descriptions, or other user-editable content areas. The improper neutralization occurs at the point where user data is processed and stored, creating a scenario where the malicious code becomes part of the application's permanent content structure rather than being filtered out during input validation. According to CWE standards, this vulnerability maps to CWE-79 which specifically addresses Cross-site Scripting flaws, and more precisely to CWE-79-214 which deals with improper neutralization during web page generation.
The operational impact of CVE-2024-43983 extends beyond simple data theft or defacement, as it creates a persistent threat vector that can be exploited by attackers to compromise user sessions and access sensitive podcast data. When exploited, the stored XSS vulnerability allows threat actors to execute malicious scripts in the context of other users' browsers, potentially enabling session hijacking, credential theft, or unauthorized content modification. The attack surface is particularly concerning for podcast publishers who rely on community contributions or user-generated content, as malicious actors can inject payloads through legitimate publishing workflows. This vulnerability can be exploited across multiple podcast platforms that use the Podlove Publisher framework, creating a widespread security concern that affects podcast creators, publishers, and their audiences. The persistent nature of stored XSS means that once the malicious code is injected, it will automatically execute whenever affected users access the compromised podcast content, making it particularly dangerous for maintaining long-term security hygiene.
Organizations and individuals utilizing Podlove Podcast Publisher software must implement immediate mitigation strategies to address this vulnerability. The primary recommendation involves upgrading to the latest available version of the Podlove Publisher framework, which should contain patches addressing the XSS flaw in input neutralization. Additionally, administrators should implement comprehensive input validation and output encoding mechanisms throughout the application's user interface and content management systems. Security measures including content security policies, regular security audits of user-contributed content, and monitoring for suspicious input patterns should be implemented to reduce the risk of exploitation. The vulnerability's classification under ATT&CK framework's T1213.002 technique for credential access through web application vulnerabilities highlights the potential for attackers to leverage this flaw for unauthorized access to podcast management systems. Organizations should also consider implementing web application firewalls and additional security layers to detect and prevent malicious input attempts, while maintaining regular security assessments to identify similar vulnerabilities in other components of their podcast publishing infrastructure.