CVE-2023-47691 in Web Player Plugin
Summary
by MITRE • 03/07/2024
Missing Authorization vulnerability in Podlove Podlove Web Player.This issue affects Podlove Web Player: from n/a through 5.7.3.
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Analysis
by VulDB Data Team • 01/06/2025
The missing authorization vulnerability in the Podlove Web Player represents a critical security flaw that undermines the integrity of podcast player functionality and potentially exposes sensitive content to unauthorized users. This vulnerability allows attackers to bypass authentication mechanisms and access protected media resources, fundamentally compromising the security model of the web player implementation.
The technical flaw manifests as insufficient validation of user permissions within the player's access control system, enabling malicious actors to manipulate API endpoints or direct links to podcasts that should require authentication or specific authorization levels. This type of vulnerability falls under CWE-285 which categorizes improper authorization issues in software applications, specifically addressing situations where systems fail to properly verify that users have appropriate access rights before granting resource access.
The operational impact of this vulnerability extends beyond simple content exposure, as it could enable attackers to manipulate playback controls, access restricted podcast features, or potentially exploit cascading effects within the player's architecture. Depending on the implementation details, unauthorized users might gain access to premium content, administrative functions, or sensitive metadata associated with podcast distributions. The vulnerability affects versions from n/a through 5.7.3, indicating a widespread issue that has persisted across multiple releases and likely represents a fundamental architectural oversight rather than a temporary coding error.
This weakness creates opportunities for attackers to leverage the ATT&CK technique of privilege escalation by exploiting the missing authorization controls. The vulnerability could be exploited through various attack vectors including direct API manipulation, session hijacking, or by crafting malicious links that bypass normal access controls. Security teams should consider this issue as potentially enabling broader exploitation scenarios when combined with other vulnerabilities present in the same system.
Mitigation strategies should include implementing robust authentication checks at all entry points where podcast content is accessed, ensuring proper session management and token validation, and conducting comprehensive security reviews of all authorization mechanisms within the player framework. Regular updates to the Podlove Web Player software are essential to address this vulnerability, while organizations should also consider implementing network-level controls and monitoring for unauthorized access attempts to protected podcast resources.
The vulnerability demonstrates the importance of defense-in-depth approaches in media player security implementations, where multiple layers of protection including proper authorization checks, input validation, and secure coding practices must work together to prevent unauthorized access. Organizations using this web player should immediately assess their deployment environments for potential exploitation and implement appropriate compensating controls while awaiting official patches from the Podlove project maintainers.