CVE-2026-19471
Received Received - Intake

Stored XSS Vulnerabilities in ArmorStart LT

Vulnerability report for CVE-2026-19471, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-01

Last updated on: 2026-09-01

Assigner: Rockwell Automation

Description

Multiple stored cross-site scripting security issues exist within ArmorStart® LT. Stored XSS occurs when user input is not properly sanitized and is stored on the server, allowing an attacker to inject malicious scripts that will be executed when other users access the affected page.

CVSS Scores

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Meta Information

Published
2026-09-01
Last Modified
2026-09-01
Generated
2026-09-01
AI Q&A
2026-09-01
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
rockwellautomation armorstart_lt *

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

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Executive Summary

This is a stored cross-site scripting (XSS) vulnerability in ArmorStart LT. It occurs when user input is not properly sanitized and is stored on the server. Attackers can inject malicious scripts that execute when other users access the affected page.

Detection Guidance

Detection of stored XSS vulnerabilities in ArmorStart LT requires manual inspection of user inputs and server responses. Check web application logs for unusual script tags or payloads in stored data. Review all input fields, forms, and API endpoints for improper sanitization. Use browser developer tools to inspect stored content for malicious scripts.

Impact Analysis

An attacker could steal session cookies, redirect users to malicious sites, or perform actions on behalf of users. This may lead to unauthorized access, data theft, or account compromise for users interacting with the affected system.

Compliance Impact

This vulnerability could violate GDPR by exposing user data through script injection or HIPAA by allowing unauthorized access to protected health information if the system processes such data.

Mitigation Strategies

Apply input validation and output encoding to sanitize all user inputs. Implement Content Security Policy (CSP) headers to mitigate XSS impact. Update ArmorStart LT to the latest firmware version if a patch is available. Restrict user permissions to minimize potential damage from exploited scripts.

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