CVE-2026-92922: Adobe Commerce Stored XSS Vulnerability

CVE-2026-92922 Overview

CVE-2026-92922 is a stored Cross-Site Scripting (XSS) vulnerability [CWE-79] in Adobe Commerce. A high-privileged attacker can inject malicious JavaScript into vulnerable form fields. The payload executes in a victim's browser when they view the page containing the affected field. Successful exploitation can lead to session hijacking, account takeover, or elevated access within the Commerce administrative interface. The vulnerability has a changed scope, meaning the injected script can affect resources beyond the component that stored it. Adobe addressed the issue in security advisory APSB26-153.

Critical Impact
Stored JavaScript executes in victim browsers with changed scope, enabling session theft and takeover of Adobe Commerce accounts.

Affected Products

Adobe Commerce (versions listed in Adobe Security Advisory APSB26-153)
Magento Open Source variants covered under the same advisory
Adobe Commerce administrative and storefront form components containing vulnerable fields

Discovery Timeline

2026-10-13 - CVE CVE-2026-92922 published to the National Vulnerability Database (NVD)
2026-10-13 - Last updated in NVD database

Technical Details for CVE-2026-92922

Vulnerability Analysis

The vulnerability is a stored Cross-Site Scripting (XSS) flaw classified under [CWE-79]: Improper Neutralization of Input During Web Page Generation. Adobe Commerce fails to sanitize user-supplied input written to specific form fields. The server persists the attacker-controlled content and later renders it into HTML without adequate encoding. When another authenticated user navigates to a page that displays the stored data, the browser parses the injected markup and executes the embedded JavaScript. Because the CVSS vector reflects a changed scope, the injected script can act on security contexts beyond the vulnerable component, including administrative sessions. Attackers can leverage this access to exfiltrate session cookies, issue privileged API calls on behalf of the victim, or pivot into further administrative functions.

Root Cause

The root cause is missing or insufficient output encoding of persisted user input. Form field values that should be treated as data are rendered as HTML markup. Adobe Commerce does not apply contextual escaping before writing these fields into the response document, allowing <script> tags and event handlers in attribute contexts to execute.

Attack Vector

Exploitation requires network access to the Adobe Commerce application and high privileges to reach the affected form. User interaction is required: a second user must load the page containing the stored payload. Once rendered, the script runs with the victim's session rights and, due to the changed scope, can act across trust boundaries within the Commerce environment.

The vulnerability manifests when stored input is reflected into HTML templates without proper encoding. No verified public proof-of-concept code is available. Refer to the Adobe Security Advisory APSB26-153 for vendor-published technical details.

Detection Methods for CVE-2026-92922

Indicators of Compromise

Form field values in the Commerce database containing <script>, onerror=, onload=, or javascript: tokens
Unexpected outbound requests from administrator browsers to attacker-controlled domains shortly after loading Commerce pages
Admin session cookies observed in web server referer logs or external beacons
New administrative users, API tokens, or integration keys created from sessions that recently viewed affected pages

Detection Strategies

Review Adobe Commerce access logs for POST requests to form endpoints containing HTML or script syntax in parameter values
Deploy a Content Security Policy (CSP) in report-only mode to surface inline script execution attempts in administrative pages
Correlate admin panel page views with anomalous outbound HTTP traffic from the same browser session

Monitoring Recommendations

Monitor the Adobe Commerce admin_user and authorization_rule tables for unauthorized changes following suspicious logins
Alert on administrative API calls originating from sessions that exhibit rapid, scripted request patterns
Track creation of new integrations, webhooks, or outbound connectors that could be used to exfiltrate order and customer data

How to Mitigate CVE-2026-92922

Immediate Actions Required

Apply the Adobe Commerce security update referenced in Adobe Security Advisory APSB26-153
Audit all accounts with administrative privileges and remove unused or stale admin users
Rotate administrative session secrets, API keys, and integration tokens after patching
Review stored form field contents for existing script payloads and sanitize affected records

Patch Information

Adobe published fixes for CVE-2026-92922 in security bulletin APSB26-153. Administrators should install the corresponding Adobe Commerce patch release or hotfix identified in the advisory. Consult the Adobe Security Advisory APSB26-153 for the complete list of fixed versions and upgrade paths.

Workarounds

Restrict access to the Adobe Commerce admin interface to a limited set of source IP addresses via web application firewall or network ACLs
Enforce a strict Content Security Policy that blocks inline scripts and unauthorized external script sources on admin pages
Enable multi-factor authentication for all administrative accounts to reduce the impact of session theft
Temporarily restrict which roles can edit the vulnerable form fields until the patch is deployed

bash

# Example restrictive Content Security Policy header for Commerce admin responses
Header set Content-Security-Policy "default-src 'self'; script-src 'self'; object-src 'none'; frame-ancestors 'self'; base-uri 'self'"