CVE-2025-53313 in Twitch TV Embed Suite Plugin
Summary
by MITRE • 06/27/2025
Cross-Site Request Forgery (CSRF) vulnerability in plumwd Twitch TV Embed Suite allows Stored XSS. This issue affects Twitch TV Embed Suite: from n/a through 2.1.0.
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Analysis
by VulDB Data Team • 06/27/2025
The CVE-2025-53313 vulnerability represents a critical security flaw in the plumwd Twitch TV Embed Suite plugin that combines cross-site request forgery with stored cross-site scripting capabilities. This vulnerability exists within the plugin's handling of user input and request processing mechanisms, creating a dangerous chain of exploitation opportunities. The issue affects versions from the initial release through version 2.1.0, indicating a prolonged period during which the vulnerability remained unaddressed. The vulnerability stems from insufficient validation and sanitization of user-supplied data within the plugin's embedded video functionality, particularly when processing parameters that control the embedded Twitch content display. Attackers can leverage this weakness to execute malicious scripts in the context of authenticated users who view pages containing the compromised embedded content.
The technical implementation of this vulnerability involves a classic CSRF attack vector that leads to stored XSS conditions. The plugin fails to implement proper anti-CSRF tokens or validation mechanisms when processing requests related to embedded Twitch content configuration. When administrators or users interact with the plugin's interface to configure embedded streams, malicious actors can craft requests that bypass normal security controls. The vulnerability allows attackers to inject malicious JavaScript code through the plugin's parameter handling, which then gets stored within the plugin's configuration or database entries. This stored content is subsequently served to other users who view pages containing the embedded Twitch content, executing the malicious script in their browsers with the privileges of the affected users.
The operational impact of CVE-2025-53313 extends beyond simple script execution, as it provides attackers with potential access to sensitive user data and session information. An attacker who successfully exploits this vulnerability can execute arbitrary code in the context of authenticated users, potentially leading to complete account compromise, data exfiltration, or further escalation within the WordPress environment. The stored nature of the XSS payload means that the attack persists even after the initial exploitation attempt, allowing attackers to maintain access over extended periods. This vulnerability particularly affects WordPress sites that rely heavily on embedded video content and user-generated configurations, as the attack vector requires legitimate user interactions with the compromised plugin interface.
Mitigation strategies for CVE-2025-53313 should focus on immediate plugin updates to versions that address the CSRF and XSS flaws. System administrators must ensure that all instances of the plumwd Twitch TV Embed Suite are updated to the latest secure version that implements proper input validation, output encoding, and anti-CSRF token mechanisms. The implementation of Content Security Policy headers can provide additional protection against XSS execution, though this serves as a secondary defense measure. Regular security auditing of WordPress plugins and themes remains essential, as this vulnerability demonstrates the importance of proper security controls in embedded content plugins. Organizations should also implement network monitoring to detect unusual patterns in plugin requests and consider implementing web application firewalls to filter malicious requests targeting known vulnerable parameters. This vulnerability aligns with CWE-352 for CSRF and CWE-79 for XSS, representing a combination attack pattern that requires comprehensive defensive measures across multiple security domains. The ATT&CK framework categorizes this as a web application attack involving code injection and credential compromise techniques that can be leveraged for persistent access within targeted environments.