CVE-2026-103338 in Unlimited Elements Plugin
Summary
by MITRE • 10/01/2026
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Unlimited Elements Unlimited Elements For Elementor (Free Widgets, Addons, Templates) unlimited-elements-for-elementor allows Blind SQL Injection.This issue affects Unlimited Elements For Elementor (Free Widgets, Addons, Templates): from n/a through 2.0.20.
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Analysis
by VulDB Data Team • 10/01/2026
The vulnerability identified as Improper Neutralization of Special Elements used in an SQL Command represents a critical security flaw within the Unlimited Elements plugin for WordPress, specifically affecting versions ranging from initial releases up to version 2.0.20. This software is widely utilized by web developers and designers who leverage Elementor page builder capabilities to create dynamic websites using free widgets, addons, and templates. The core issue lies in the application's failure to properly sanitize or validate user-supplied input before incorporating it into backend database queries. When a system processes data from external sources without adequate filtering mechanisms, it creates an opening for attackers to manipulate the structure of SQL commands executed by the underlying database management system. This specific instance manifests as a Blind SQL Injection vulnerability, which distinguishes itself from traditional injection attacks by not directly displaying query results on the screen but rather allowing inference through application behavior and response times or error messages.
From a technical perspective, this flaw stems from CWE-89, commonly known as SQL Injection, where special characters such as single quotes, double quotes, semicolons, or comment sequences are interpreted as part of the SQL syntax rather than literal data values. In the context of Blind SQL Injection, an attacker cannot see the direct output of their injected queries but can deduce information by observing how the application responds to different inputs. For example, if a query returns successfully when a condition is true and fails or times out when false, an attacker can iteratively construct complex logical statements to extract sensitive data character by character. This method requires patience and precision but is highly effective against applications that do not implement robust input validation layers at the point of database interaction. The vulnerability exists because the plugin likely passes user-controlled parameters directly into SQL statements without employing prepared statements or parameterized queries, which are standard defensive coding practices designed to separate code from data.
The operational impact of this vulnerability is severe and multifaceted, primarily centering on unauthorized access to sensitive information stored within the WordPress database. Since Unlimited Elements interacts with various aspects of site configuration and potentially user-generated content, an attacker could exploit this flaw to extract administrative credentials, personal identifiable information of users, or proprietary business data embedded in custom fields and templates. Beyond data exfiltration, Blind SQL Injection can sometimes be leveraged for remote code execution depending on the database engine's capabilities and server configurations, although this is less common with blind variants compared to union-based injections. The compromise of such a widely used plugin poses a significant risk to the broader WordPress ecosystem, as it may serve as an entry point for further lateral movement within a compromised network or infrastructure.
Industry standards provide clear frameworks for understanding and mitigating this type of vulnerability. According to the MITRE ATT&CK framework, this activity aligns with techniques such as SQL Injection (T1190), which falls under the Initial Access tactic where adversaries exploit software vulnerabilities to gain entry into a system. The remediation strategy must focus on implementing strict input validation and output encoding principles. Developers should ensure that all user inputs are validated against expected formats, lengths, and character sets before being processed. Furthermore, the use of parameterized queries or prepared statements is essential for preventing SQL injection by ensuring that data is treated strictly as data rather than executable code. For users currently running affected versions of Unlimited Elements, immediate action involves updating to a patched version released after 2.0.20 where these security controls have been implemented. In the interim, deploying Web Application Firewalls with specific rules for detecting SQL injection patterns can provide an additional layer of defense by blocking malicious payloads before they reach the application logic.