CVE-2026-10769 in Commerce Core
Summary
by MITRE • 07/11/2026
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Commerce Core allows Stored XSS. This issue affects Commerce Core versions: from 3.3.0 to 3.3.6.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 07/11/2026
The vulnerability under discussion represents a critical cross-site scripting weakness classified as CWE-79 in the Common Weakness Enumeration catalog, specifically impacting Drupal Commerce Core within the version range of 3.3.0 through 3.3.6. This stored XSS flaw emerges during web page generation when input data fails to undergo proper sanitization before being rendered in user-facing interfaces. The vulnerability enables attackers to inject malicious scripts that persist in the application's database and execute whenever affected pages are accessed by other users. The attack vector exploits the insufficient validation and sanitization of user-supplied content, particularly in commerce-related data fields such as product descriptions, customer reviews, or order details where users can input text content.
The technical implementation of this vulnerability stems from Drupal Commerce Core's failure to properly neutralize input characters during the rendering process of web pages. When administrators or users submit content that contains script tags or other malicious code sequences, these inputs are stored in the database without adequate sanitization measures. The application then retrieves and displays this unfiltered data within HTML contexts, allowing the embedded scripts to execute in the browsers of unsuspecting victims who view the affected pages. This particular weakness affects the core commerce functionality where user-generated content is processed and displayed, creating a persistent threat that can compromise multiple users over time rather than requiring repeated exploitation attempts.
The operational impact of this vulnerability extends beyond simple data corruption or display issues, as it provides attackers with potential access to sensitive user information, session hijacking capabilities, and the ability to perform unauthorized actions within the application on behalf of legitimate users. Attackers can leverage this stored XSS to steal cookies, session tokens, or other authentication credentials that would allow them to impersonate users and gain elevated privileges within the commerce platform. The vulnerability particularly affects online stores where customer reviews, product descriptions, or administrative comments are displayed publicly, as these areas provide ideal injection points for malicious code execution.
Mitigation strategies should focus on implementing comprehensive input validation and output encoding mechanisms throughout the Drupal Commerce Core application. Organizations must ensure that all user-supplied content undergoes strict sanitization before being stored in databases and rendered in web pages. The recommended approach includes applying the latest security patches released by Drupal Commerce maintainers, implementing Content Security Policy headers to limit script execution, and conducting regular security audits of input handling processes. Additionally, organizations should consider implementing Web Application Firewall rules that can detect and block suspicious script patterns in incoming requests, while also monitoring for unusual activity in user-generated content areas that might indicate exploitation attempts. The remediation process must address the root cause by strengthening the application's data sanitization routines to prevent any form of malicious input from being processed as executable code within HTML contexts, thereby aligning with ATT&CK technique T1059.002 for command and scripting interpreter usage through web-based attack vectors.