CVE-2026-110219 in QloApps
Summary
by MITRE • 10/13/2026
QloApps through 1.7.0 contains a reflected cross-site scripting vulnerability that allows remote attackers to inject scripts through the price parameter of the back-office Additional Facilities form. Attackers can induce an authenticated back-office user to submit a crafted request whose unescaped price value is re-rendered after failing validation, executing JavaScript in the administrative session.
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Analysis
by VulDB Data Team • 10/13/2026
The identified vulnerability represents a classic instance of reflected cross-site scripting within the QloApps e-commerce platform, specifically affecting versions up through 1.7.0. This security flaw resides in the back-office Additional Facilities form and is triggered by improper input validation and output encoding mechanisms applied to the price parameter. Unlike stored XSS vulnerabilities where malicious scripts are permanently saved on target servers, this reflected variant requires an active interaction from a victim user. The attack vector relies on social engineering or lure-based tactics where an authenticated administrator is induced to submit a specially crafted HTTP request containing malicious JavaScript code embedded within the price field.
From a technical perspective, the root cause lies in the application's failure to properly sanitize and encode user-supplied input before rendering it back into the HTML response context. When the form submission fails validation checks for legitimate numeric or currency formats, the system does not discard the tainted input entirely. Instead, it re-renders the page while echoing the unescaped price value directly into the DOM structure of the administrative interface. This behavior allows any JavaScript syntax included in that parameter to be interpreted and executed by the victim's browser within the context of the QloApps application domain. The execution occurs immediately upon page load following the failed validation, leveraging the trust relationship between the user's browser and the web application.
The operational impact of this vulnerability is severe due to its location within the administrative back-office environment. Because the script executes in an authenticated session belonging to a privileged user, such as an administrator or store manager, it grants the attacker significant control over that specific account context. An adversary can exploit this capability to perform actions on behalf of the victim without their knowledge or consent. This includes but is not limited to stealing sensitive administrative cookies and session tokens, which could lead to complete account takeover. Furthermore, the attacker may manipulate page content, redirect users to malicious phishing sites designed to harvest credentials, or exfiltrate confidential business data such as customer lists, order details, and financial records visible within the dashboard.
This vulnerability aligns with CWE-79, known as Improper Neutralization of Input During Web Page Generation commonly referred to as Cross-site Scripting. Specifically, it falls under the sub-category of Reflected XSS where the malicious payload is sent via a request parameter rather than being stored in a database or file. In terms of offensive security frameworks, this exploit maps directly to MITRE ATT&CK technique T1059.007, which denotes Command and Scripting Interpreter: JavaScript. The attack lifecycle involves initial access through social engineering followed by execution within the browser environment, potentially leading to credential theft via techniques like T1539 if session cookies are targeted for extraction using scripts such as document.cookie exfiltration methods.
Mitigation strategies must address both immediate remediation and long-term architectural improvements. For organizations currently running QloApps versions prior to 1.7.0, the primary recommendation is to apply any available patches or updates provided by the vendor that specifically rectify this input validation logic. If an official patch is not yet released, temporary mitigation involves implementing strict server-side validation for the price parameter to ensure it accepts only expected numeric formats and rejects all non-numeric characters before processing. Additionally, developers should enforce context-specific output encoding when rendering user-supplied data back into HTML forms, ensuring that special characters are converted to their corresponding HTML entities so they are treated as plain text rather than executable code.
Beyond technical fixes, organizational security posture can be strengthened by implementing Content Security Policy headers that restrict the sources from which scripts can be loaded and executed. This adds a layer of defense-in-depth even if input validation fails. Regular penetration testing focused on web application vulnerabilities is also advised to identify similar flaws in other forms or parameters across the platform. Monitoring administrative access logs for unusual patterns, such as high volumes of failed form submissions followed by successful actions from specific IP addresses, can aid in detecting exploitation attempts in real-time. Ultimately, resolving this issue requires a commitment to secure coding practices that prioritize input sanitization and output encoding at every stage of data handling within the application lifecycle.