CVE-2026-1769: Xerox CentreWare Stored XSS Vulnerability

CVE-2026-1769 Overview

CVE-2026-1769 is a Stored Cross-Site Scripting (XSS) vulnerability affecting Xerox CentreWare Web on Windows systems. This vulnerability stems from improper neutralization of input during web page generation, allowing attackers to inject malicious scripts that persist within the application. When other users access the affected pages, the stored malicious payload executes in their browser context, potentially leading to session hijacking, credential theft, or unauthorized actions on behalf of the victim.

Critical Impact

Attackers can inject persistent malicious scripts into Xerox CentreWare Web, enabling credential theft and unauthorized access to printer management infrastructure across enterprise environments.

Affected Products

• Xerox CentreWare Web through version 7.0.6 on Windows

Discovery Timeline

• February 6, 2026 - CVE-2026-1769 published to NVD
• February 6, 2026 - Last updated in NVD database

Technical Details for CVE-2026-1769

Vulnerability Analysis

This Stored XSS vulnerability (CWE-79) occurs when Xerox CentreWare Web fails to properly sanitize user-supplied input before storing it and subsequently rendering it in web pages. Unlike reflected XSS attacks that require victims to click malicious links, stored XSS payloads persist within the application's data storage. When legitimate users navigate to pages containing the stored malicious content, the unsanitized scripts execute within their browser session.

The vulnerability requires local access and some degree of user interaction, with conditions that make exploitation more complex. However, successful exploitation can result in high confidentiality impact and low integrity impact, as attackers may extract sensitive information from authenticated user sessions or manipulate displayed content.

CentreWare Web is enterprise printer fleet management software, meaning successful exploitation could provide attackers with visibility into organizational print infrastructure, device configurations, and potentially sensitive document metadata.

Root Cause

The root cause is improper input validation and output encoding within Xerox CentreWare Web's web interface components. The application fails to adequately neutralize special characters and script content when user input is stored and later displayed to other users. This allows malicious JavaScript or HTML to be preserved in its executable form rather than being rendered as harmless text.

Attack Vector

The attack vector is local, requiring the attacker to have some level of access to the CentreWare Web interface to inject the malicious payload. The attack complexity is high, and user interaction is required for exploitation. An attacker would:

1. Authenticate or access the CentreWare Web interface
2. Identify input fields that are stored and subsequently displayed to other users
3. Inject a crafted XSS payload containing malicious JavaScript
4. Wait for an administrator or privileged user to view the page containing the stored payload
5. The malicious script executes in the victim's browser, potentially capturing session tokens or performing actions with the victim's privileges

The vulnerability affects confidentiality significantly, as session cookies, authentication tokens, and sensitive data displayed within the application could be exfiltrated to attacker-controlled infrastructure.

Detection Methods for CVE-2026-1769

Indicators of Compromise

• Unusual JavaScript code or HTML elements appearing in CentreWare Web database fields or log files
• Unexpected outbound HTTP requests from client browsers accessing the CentreWare Web interface
• Modified or suspicious content in user-configurable fields such as device names, descriptions, or comments
• Browser console errors or unexpected script execution warnings when accessing CentreWare Web pages

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block common XSS payload patterns in requests to CentreWare Web
• Enable detailed logging for all user input operations within CentreWare Web and monitor for suspicious patterns
• Deploy browser-based security solutions that can detect and block malicious script execution
• Conduct regular security scans of the CentreWare Web application to identify stored XSS payloads

Monitoring Recommendations

• Monitor CentreWare Web server logs for requests containing script tags, event handlers, or encoded JavaScript
• Alert on any Content Security Policy (CSP) violations if CSP headers are implemented
• Track user sessions for anomalous behavior following visits to potentially compromised pages
• Implement network monitoring to detect unexpected data exfiltration patterns from workstations accessing the print management interface

How to Mitigate CVE-2026-1769

Immediate Actions Required

• Upgrade Xerox CentreWare Web to version 7.2.2.25 or later as recommended by Xerox
• Restrict network access to the CentreWare Web interface to authorized administrators only
• Review stored data within CentreWare Web for signs of injected malicious content
• Implement Content Security Policy (CSP) headers if the application supports custom configurations

Patch Information

Xerox has released version 7.2.2.25 of CentreWare Web to address this vulnerability. The update is available through the official Xerox website. Organizations should download and apply this update following their standard change management procedures. Full details are available in the Xerox Security Bulletin XRX26-003.

Workarounds

• Limit access to the CentreWare Web management interface to trusted internal networks using firewall rules or network segmentation
• Implement additional authentication layers such as VPN requirements for accessing the management interface
• Disable or restrict user input functionality where possible until the patch can be applied
• Deploy browser-based XSS protection mechanisms and ensure users access the interface with modern browsers that have built-in XSS auditors

# Example: Restrict CentreWare Web access via Windows Firewall
# Block external access to CentreWare Web port (adjust port as needed)
netsh advfirewall firewall add rule name="Block External CentreWare Web" dir=in action=block protocol=tcp localport=80 remoteip=any
netsh advfirewall firewall add rule name="Allow Internal CentreWare Web" dir=in action=allow protocol=tcp localport=80 remoteip=localsubnet