CVE-2025-48245 in Quick Contact Form Plugin
Summary
by MITRE • 05/23/2025
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in fullworks Quick Contact Form allows Reflected XSS. This issue affects Quick Contact Form : from n/a through 8.2.1.
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Analysis
by VulDB Data Team • 05/23/2025
The CVE-2025-48245 vulnerability represents a critical cross-site scripting flaw in the fullworks Quick Contact Form plugin, specifically targeting versions ranging from an unspecified initial version through 8.2.1. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is a fundamental web application security weakness that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability manifests as a reflected XSS attack, meaning that malicious input is immediately reflected back to the user without proper sanitization or encoding, creating an exploitable condition that can be leveraged by threat actors to execute unauthorized scripts in the victim's browser context. The affected plugin's web page generation process fails to adequately neutralize user-supplied input, creating a pathway for malicious actors to inject harmful JavaScript code that can be executed when other users view the compromised web page.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input that gets processed by the Quick Contact Form plugin and subsequently reflected back to the user's browser without proper HTML encoding or output sanitization. This flaw typically involves parameters or input fields within the plugin's contact form functionality that do not undergo proper validation or encoding before being rendered in web page output. The reflected nature of the attack means that the malicious payload must be delivered through a crafted URL or form submission that causes the vulnerable application to include the attacker's script in the response. This creates a server-side condition where user input flows directly into the HTML output without appropriate security controls, allowing the malicious JavaScript code to execute in the context of the victim's browser session. The vulnerability is particularly dangerous because it can be exploited through simple social engineering techniques, such as sending malicious links to victims through email or other communication channels.
The operational impact of this vulnerability extends beyond simple script execution, as it can enable attackers to perform a wide range of malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious websites. When successful, reflected XSS attacks can allow threat actors to impersonate legitimate users, access sensitive information, modify web page content, or redirect users to phishing sites designed to capture login credentials. The vulnerability's presence in the Quick Contact Form plugin means that any website utilizing this plugin becomes potentially compromised, especially if the plugin is used on publicly accessible forms that accept user input. The attack surface is broad since contact forms are commonly used throughout websites for various purposes, making the impact of this vulnerability widespread and potentially affecting numerous organizations that have not yet patched their installations.
Security mitigation strategies for this vulnerability should focus on immediate patching and implementation of input validation controls. Organizations should prioritize updating their Quick Contact Form plugin to versions that contain the necessary security fixes, as this represents the most effective remediation approach. Additionally, implementing proper input sanitization and output encoding measures can help prevent similar vulnerabilities from occurring in the future. The recommended defensive measures include enforcing strict input validation that rejects or encodes potentially malicious characters, implementing Content Security Policy headers to limit script execution, and conducting regular security assessments of web applications and plugins. From an ATT&CK framework perspective, this vulnerability aligns with techniques such as T1059.007 (Scripting) and T1566.001 (Phishing) as threat actors can leverage the XSS flaw to execute malicious scripts and deliver phishing content to users. Organizations should also consider implementing web application firewalls and monitoring for suspicious input patterns that may indicate attempted exploitation of this vulnerability. The vulnerability demonstrates the critical importance of maintaining up-to-date security patches and implementing comprehensive security controls throughout the application lifecycle, particularly for widely-used plugins and third-party components that may introduce security risks into web applications.