CVE-2024-37263 in Enter Addons Plugin
Summary
by MITRE • 07/22/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in ThemeLooks Enter Addons enteraddons allows Stored XSS.This issue affects Enter Addons: from n/a through 2.1.6.
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Analysis
by VulDB Data Team • 03/17/2025
The vulnerability identified as CVE-2024-37263 represents a critical security flaw in the ThemeLooks Enter Addons plugin, specifically within the Enter Addons component. This issue manifests as an improper neutralization of input during web page generation, creating a persistent cross-site scripting vulnerability that allows attackers to execute malicious scripts in the context of affected users' browsers. The vulnerability is classified as a stored XSS attack vector, meaning that malicious payloads can be permanently stored on the server and subsequently executed whenever affected pages are accessed by unsuspecting users. This particular weakness affects all versions of the Enter Addons plugin from the initial release through version 2.1.6, indicating a prolonged exposure window that could have allowed extensive exploitation.
The technical flaw stems from insufficient input validation and output sanitization mechanisms within the plugin's web page generation processes. When users submit data through forms or other interactive elements within the plugin's interface, the system fails to properly sanitize or escape potentially malicious input before incorporating it into dynamically generated web pages. This allows attackers to inject malicious JavaScript code through various input vectors including form fields, URL parameters, or other user-controllable data inputs. The vulnerability specifically affects the plugin's handling of user-generated content that gets rendered in web pages, creating an environment where persistent malicious scripts can be executed across multiple user sessions.
The operational impact of this stored XSS vulnerability is severe and multifaceted. Attackers can leverage this weakness to steal session cookies, authenticate as legitimate users, access sensitive data, and potentially escalate privileges within the affected WordPress environment. The persistent nature of stored XSS means that malicious scripts remain active until manually removed from the system, providing attackers with prolonged access to compromised sites. This vulnerability can be exploited to redirect users to malicious websites, deface the affected website, or harvest sensitive information from authenticated users. The attack surface is particularly concerning given that the plugin is likely used across multiple websites, potentially allowing attackers to compromise numerous systems simultaneously.
Security mitigations for this vulnerability should focus on immediate patching of the affected plugin to version 2.1.7 or later, which contains the necessary fixes for the XSS vulnerability. Additionally, administrators should implement comprehensive input validation and output encoding mechanisms throughout the affected system, ensuring that all user-controllable data is properly sanitized before being processed or displayed. Network monitoring should be enhanced to detect suspicious patterns associated with XSS attacks, and regular security audits should be conducted to identify similar vulnerabilities in other plugins or themes. The mitigation strategy should align with industry standards such as CWE-79 which specifically addresses cross-site scripting vulnerabilities, and should be integrated into broader security frameworks that reference ATT&CK techniques related to credential access and command and control operations. Organizations should also consider implementing web application firewalls and content security policies as additional defensive measures to protect against exploitation of similar vulnerabilities.