CVE-2023-32237 in TheGem Plugin
Summary
by MITRE • 03/26/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in CodexThemes TheGem (Elementor), CodexThemes TheGem (WPBakery) allows Stored XSS.This issue affects TheGem (Elementor): from n/a before 5.8.1.1; TheGem (WPBakery): from n/a before 5.8.1.1.
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Analysis
by VulDB Data Team • 05/27/2026
This cross-site scripting vulnerability resides in the web page generation process of TheGem WordPress themes developed by CodexThemes, specifically affecting both Elementor and WPBakery builder implementations. The flaw represents a classic stored XSS vulnerability where malicious input is not properly sanitized or neutralized during the web page generation phase, allowing attackers to inject malicious scripts that persist in the application's database. The vulnerability affects all versions prior to 5.8.1.1 across both builder implementations, creating a significant security risk for WordPress sites using these themes. The issue stems from inadequate input validation mechanisms that fail to properly escape or filter user-supplied content before it is rendered in web pages, enabling attackers to execute malicious scripts in the context of other users' browsers.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input through the theme's builder interfaces, which then gets stored in the database and subsequently rendered in web pages without proper sanitization. This stored nature means that the malicious scripts execute automatically whenever affected pages are accessed by other users, making it particularly dangerous for content management systems where multiple administrators or contributors may interact with the same themes. The flaw directly corresponds to CWE-79, which defines the improper neutralization of input during web page generation as a fundamental weakness in web application security. Attackers can leverage this vulnerability to steal session cookies, perform unauthorized actions on behalf of users, redirect victims to malicious sites, or even execute arbitrary code within the victim's browser context.
The operational impact of this vulnerability extends beyond simple script execution, as it can lead to complete compromise of user sessions and potential privilege escalation within the WordPress environment. When exploited, the stored XSS allows attackers to maintain persistence in compromised sites, potentially enabling long-term access to sensitive data and administrative functions. The vulnerability affects not just individual users but entire WordPress installations that rely on TheGem themes, particularly those with multiple contributors or administrators who may inadvertently interact with malicious content. This weakness creates a vector for advanced persistent threats where attackers can establish footholds in WordPress environments and potentially escalate privileges to gain full administrative control over affected sites.
Mitigation strategies for this vulnerability require immediate patching to version 5.8.1.1 or later, which addresses the input sanitization issues in both Elementor and WPBakery implementations. Organizations should implement comprehensive input validation and output escaping mechanisms, following the principles outlined in the OWASP Top Ten and the ATT&CK framework's web application attack patterns. Security measures including content security policies, proper input sanitization, and regular security audits should be implemented to prevent similar vulnerabilities. Additionally, administrators should monitor for suspicious activity in their WordPress installations, particularly around theme and plugin modifications, and ensure that all WordPress core files, themes, and plugins are kept up to date with security patches. The vulnerability highlights the critical importance of input validation in web applications and demonstrates how seemingly minor flaws in web page generation can lead to severe security consequences across entire WordPress ecosystems.