Critical XSS Vulnerability in Rockwell Automation's FactoryTalk DataMosaix (CVE-2026-9292)
Executive Summary
In July 2026, Rockwell Automation disclosed a stored cross-site scripting (XSS) vulnerability (CVE-2026-9292) in its FactoryTalk DataMosaix Private Cloud software, versions 8.02 and earlier. This flaw allows authenticated users with high privileges to inject malicious scripts into the Workflows configuration, which are then stored on the server. When other users access the compromised page, these scripts can execute, potentially leading to account takeovers, credential theft, or redirection to malicious websites. Rockwell Automation has released version 8.03 to address this issue and recommends users upgrade promptly. (rockwellautomation.com)
This incident underscores the persistent threat of XSS vulnerabilities in industrial control systems, emphasizing the need for rigorous input validation and prompt patch management to safeguard critical infrastructure.
Why This Matters Now
The exploitation of XSS vulnerabilities in industrial control systems highlights the urgent need for organizations to implement robust security measures, including timely software updates and comprehensive input validation, to protect against potential cyber threats targeting critical infrastructure.
Attack Path Analysis
An authenticated attacker with high privileges exploited a stored cross-site scripting (XSS) vulnerability in the FactoryTalk DataMosaix Private Cloud's Workflows configuration to inject malicious scripts. These scripts executed when other users accessed the affected page, leading to potential credential theft and unauthorized access. The attacker leveraged the stolen credentials to escalate privileges and move laterally within the network, establishing command and control channels to exfiltrate sensitive data, ultimately causing significant operational impact.
Kill Chain Progression
Initial Compromise
Description
An authenticated attacker with high privileges exploited a stored cross-site scripting (XSS) vulnerability in the FactoryTalk DataMosaix Private Cloud's Workflows configuration to inject malicious scripts.
Related CVEs
CVE-2026-9292
CVSS 8.4A stored cross-site scripting vulnerability in FactoryTalk DataMosaix Private Cloud allows authenticated attackers to inject malicious scripts, potentially leading to account takeover or credential theft.
Affected Products:
Rockwell Automation FactoryTalk DataMosaix Private Cloud – <=8.02
Exploit Status:
no public exploit
MITRE ATT&CK® Techniques
Drive-by Compromise
Exploitation for Client Execution
Command and Scripting Interpreter: JavaScript
Steal Web Session Cookie
Browser Session Hijacking
Potential Compliance Exposure
Mapping incident impact across multiple compliance frameworks.
PCI DSS 4.0 – Secure Coding Practices
Control ID: 6.5.1
NYDFS 23 NYCRR 500 – Cybersecurity Policy
Control ID: 500.03
DORA – ICT Risk Management Framework
Control ID: Article 6
NIS2 Directive – Cybersecurity Risk Management Measures
Control ID: Article 21
CISA ZTMM 2.0 – Zero Trust Architecture
Control ID: Application Security
Sector Implications
Industry-specific impact of the vulnerabilities, including operational, regulatory, and cloud security risks.
Industrial Automation
Critical exposure as Rockwell FactoryTalk DataMosaix stored XSS vulnerability enables authenticated attackers to inject malicious scripts, compromising industrial control workflows and operational technology systems.
Automotive
Manufacturing operations face risks from cross-site scripting attacks on factory automation platforms, potentially disrupting production workflows and enabling unauthorized access to critical manufacturing data.
Oil/Energy/Solar/Greentech
Energy infrastructure using FactoryTalk DataMosaix vulnerable to stored XSS attacks allowing credential theft and account takeover, threatening SCADA systems and critical energy production workflows.
Electrical/Electronic Manufacturing
Electronics production facilities face workflow disruption risks from authenticated XSS attacks on DataMosaix platforms, enabling malicious script injection and potential manufacturing process compromise.
Sources
- Rockwell Automation FactoryTalk DataMosaixhttps://www.cisa.gov/news-events/ics-advisories/icsa-26-197-09Verified
- Rockwell Automation Security Advisory SD1787https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1787.htmlVerified
Frequently Asked Questions
Cloud Native Security Fabric Mitigations and ControlsCNSF
Aviatrix Zero Trust CNSF is pertinent to this incident as it could have constrained the attacker's ability to exploit vulnerabilities, escalate privileges, and move laterally within the network, thereby reducing the potential blast radius and operational impact.
Control: Cloud Native Security Fabric (CNSF)
Mitigation: The attacker's ability to exploit the XSS vulnerability may have been limited, reducing the likelihood of successful script injection.
Control: Zero Trust Segmentation
Mitigation: The attacker's ability to escalate privileges may have been constrained, limiting unauthorized access within the application.
Control: East-West Traffic Security
Mitigation: The attacker's lateral movement within the network could have been restricted, reducing access to additional systems and data.
Control: Multicloud Visibility & Control
Mitigation: The establishment of command and control channels by the attacker could have been hindered, limiting persistent access to compromised systems.
Control: Egress Security & Policy Enforcement
Mitigation: The attacker's ability to exfiltrate sensitive data may have been curtailed, reducing the risk of data breaches.
The overall operational impact of the attack could have been mitigated, reducing the extent of data breaches and service disruptions.
Impact at a Glance
Affected Business Functions
- Data Management
- Workflow Automation
Estimated downtime: N/A
Estimated loss: N/A
Potential exposure of user credentials and sensitive workflow data.
Recommended Actions
Key Takeaways & Next Steps
- • Implement input validation and output encoding to prevent XSS vulnerabilities.
- • Enforce least privilege access controls to limit the impact of compromised accounts.
- • Deploy network segmentation to restrict lateral movement within the network.
- • Utilize anomaly detection systems to identify and respond to unusual activities.
- • Regularly update and patch systems to mitigate known vulnerabilities.
