CVE-2016-10941 in podlove-podcasting-plugin-for-wordpress Plugin
Summary
by MITRE
The podlove-podcasting-plugin-for-wordpress plugin before 2.3.16 for WordPress has XSS exploitable via CSRF.
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Analysis
by VulDB Data Team • 12/19/2023
The CVE-2016-10941 vulnerability affects the podlove-podcasting-plugin-for-wordpress plugin version 2.3.15 and earlier, representing a critical security flaw that combines cross-site scripting and cross-site request forgery vulnerabilities. This plugin serves as a podcasting solution for wordpress websites, making it a prime target for attackers seeking to exploit web applications. The vulnerability stems from inadequate input validation and insufficient protection mechanisms against malicious requests that could be initiated by unauthorized parties. The flaw allows attackers to inject malicious scripts into the plugin's administrative interface, potentially compromising the entire wordpress installation. The issue occurs when the plugin fails to properly sanitize user input from HTTP requests, creating an avenue for persistent script injection attacks that can persist across multiple user sessions. This type of vulnerability falls under the CWE-79 category for cross-site scripting and CWE-352 for cross-site request forgery, both of which are fundamental web application security concerns. The vulnerability enables attackers to execute arbitrary scripts in the context of the victim's browser, potentially leading to session hijacking, data theft, or complete administrative compromise of affected wordpress sites. The combination of these two attack vectors significantly amplifies the threat, as CSRF can be used to automatically trigger malicious XSS payloads without requiring user interaction.
The technical exploitation of this vulnerability involves attackers leveraging the CSRF mechanism to inject malicious JavaScript code through the plugin's administrative interface. When legitimate users with administrative privileges access the compromised plugin page, the malicious scripts execute in their browser context, potentially stealing cookies, modifying content, or redirecting users to malicious sites. The vulnerability exists because the plugin does not implement proper anti-CSRF tokens or input sanitization measures in its form handling and data processing functions. Attackers can craft malicious requests that appear legitimate to the wordpress application, bypassing standard security controls. This particular weakness allows for persistent XSS attacks where malicious scripts are stored within the plugin's data structures and executed whenever the affected page is loaded. The impact extends beyond simple script execution to include potential privilege escalation, as attackers could manipulate the plugin's configuration to gain broader system access. The vulnerability is particularly dangerous in environments where multiple administrators have access to the plugin interface, as a single compromised administrator account could provide attackers with full control over the podcasting functionality and associated data.
The operational impact of CVE-2016-10941 is severe for wordpress administrators and website owners who rely on the podlove podcasting plugin for their content management. Organizations using vulnerable versions face potential data breaches, content manipulation, and service disruption that could affect their podcast distribution capabilities. The vulnerability could be exploited to redirect users to phishing sites, steal sensitive administrative credentials, or modify podcast metadata in ways that damage the organization's reputation. Security teams must consider the broader implications for their wordpress infrastructure, as compromised plugin functionality could serve as a foothold for more extensive attacks on the hosting environment. The attack surface expands significantly since the vulnerability affects not only the plugin itself but also the entire wordpress installation that hosts it. Organizations may experience loss of trust from their podcast audience if malicious content is injected into their feeds or if their sites become compromised. The vulnerability also impacts compliance requirements for organizations handling sensitive data, as it creates potential exposure to regulatory violations. The long-term consequences include ongoing monitoring requirements and potential forensic analysis to determine if the vulnerability was exploited, leading to increased operational overhead and security costs for affected organizations.
Mitigation strategies for CVE-2016-10941 focus on immediate remediation through plugin updates to version 2.3.16 or later, which includes proper input validation and CSRF protection measures. Organizations should implement comprehensive security monitoring to detect any signs of exploitation attempts or successful compromises. The update process requires careful testing to ensure that the new plugin version does not introduce compatibility issues with existing podcasting workflows or data structures. Administrators should review and audit all plugin configurations, user permissions, and access logs to identify potential unauthorized access or modifications that may have occurred during the vulnerability window. Network-based security controls such as web application firewalls should be configured to monitor for suspicious requests targeting the affected plugin endpoints. Regular security assessments and vulnerability scanning should include checks for outdated plugins and themes that may contain similar vulnerabilities. The implementation of principle of least privilege access controls for administrative interfaces can limit the impact if future vulnerabilities are discovered. Security teams should also consider implementing content security policies to prevent script execution from unauthorized sources. The vulnerability highlights the importance of maintaining updated software components and implementing automated patch management processes to prevent exploitation of known vulnerabilities. Organizations should also establish incident response procedures specifically for plugin-based security incidents to ensure rapid detection and remediation of similar threats. The remediation process must include comprehensive testing of the updated plugin functionality to ensure that all podcasting features continue to operate correctly.