CVE-2024-52419 in Copy Anything to Clipboard Plugin
Summary
by MITRE • 11/18/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Clipboard Team Copy Anything to Clipboard allows Stored XSS.This issue affects Copy Anything to Clipboard: from n/a through 4.0.3.
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Analysis
by VulDB Data Team • 02/26/2025
The vulnerability identified as CVE-2024-52419 represents a critical security flaw in the Copy Anything to Clipboard WordPress plugin, specifically categorized under CWE-79 which denotes improper neutralization of input during web page generation. This vulnerability manifests as a stored cross-site scripting attack vector that allows malicious actors to inject persistent malicious scripts into the plugin's functionality, potentially compromising user sessions and data integrity. The affected version range spans from unspecified initial versions through 4.0.3, indicating a long-standing issue that has persisted across multiple iterations of the plugin's development lifecycle.
The technical implementation of this vulnerability stems from inadequate input sanitization within the plugin's web page generation process, where user-supplied data fails to undergo proper validation and escaping before being rendered in web responses. When users interact with the clipboard functionality, malicious payloads can be stored within the plugin's data structures and subsequently executed whenever other users access pages containing the compromised content. This stored XSS vulnerability operates by bypassing standard security mechanisms that typically protect against reflected XSS attacks, instead exploiting the persistent nature of data storage within the plugin's architecture to maintain malicious code execution across multiple user sessions.
The operational impact of this vulnerability extends beyond simple script injection, as it enables attackers to perform a wide range of malicious activities including session hijacking, credential theft, and data exfiltration from authenticated users. Attackers can leverage this vulnerability to execute arbitrary JavaScript code within the context of affected users' browsers, potentially leading to full compromise of user accounts and unauthorized access to sensitive information. The vulnerability affects the entire user base of the plugin, as any user who interacts with the clipboard functionality becomes a potential target for exploitation, making it particularly dangerous in environments where multiple users have access to the affected WordPress installation.
Security mitigations for CVE-2024-52419 should prioritize immediate plugin updates to versions that address the identified XSS vulnerability, as recommended by the plugin developers and security vendors. Organizations should implement comprehensive input validation and output escaping mechanisms within their WordPress installations to prevent similar vulnerabilities from persisting in other plugins or custom code. The vulnerability aligns with ATT&CK technique T1566.001 which covers social engineering via phishing attacks, as attackers can leverage stored XSS to manipulate users into executing malicious actions. Additionally, implementing Content Security Policy headers and regular security audits of WordPress plugins can provide defense-in-depth measures against similar input sanitization failures. Organizations should also consider implementing web application firewalls to detect and block malicious script injection attempts while maintaining regular monitoring of plugin security advisories to ensure comprehensive protection against evolving threats.