Western Digital My Cloud devices are vulnerable to a cross side scripting vulnerability that can allow a malicious user with elevated privileges access to drives being backed up to construct and inject JavaScript payloads into an authenticated user's browser. As a result, it may be possible to gain control over the authenticated session, steal data, modify settings, or redirect the user to malicious websites. The scope of impact can extend to other components.
This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 8.2, requiring local system access to exploit with relatively low complexity without requiring user interaction . The vulnerability impacts confidentiality (data exposure), integrity (unauthorized modifications), and availability (service disruption) for affected systems. Impacting 16 products from westerndigital, from westerndigital, from westerndigital and 13 others, organizations running these solutions should prioritize assessment and patching.
Reported in 2022, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2022-07-25T19:15:28.997
2026-06-17T04:29:19.437
Modified
CVSSv3.1: 8.2 (HIGH)
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Operating System | westerndigital | my_cloud_pr2100_firmware | < 5.23.114 | Yes |
| Hardware | westerndigital | my_cloud_pr2100 | - | No |
| Operating System | westerndigital | my_cloud_pr4100_firmware | < 5.23.114 | Yes |
| Hardware | westerndigital | my_cloud_pr4100 | - | No |
| Operating System | westerndigital | my_cloud_ex4100_firmware | < 5.23.114 | Yes |
| Hardware | westerndigital | my_cloud_ex4100 | - | No |
| Operating System | westerndigital | my_cloud_ex2_ultra_firmware | < 5.23.114 | Yes |
| Hardware | westerndigital | my_cloud_ex2_ultra | - | No |
| Operating System | westerndigital | my_cloud_mirror_g2_firmware | < 5.23.114 | Yes |
| Hardware | westerndigital | my_cloud_mirror_g2 | - | No |
| Operating System | westerndigital | my_cloud_dl2100_firmware | < 5.23.114 | Yes |
| Hardware | westerndigital | my_cloud_dl2100 | - | No |
| Operating System | westerndigital | my_cloud_dl4100_firmware | < 5.23.114 | Yes |
| Hardware | westerndigital | my_cloud_dl4100 | - | No |
| Operating System | westerndigital | my_cloud_ex2100_firmware | < 5.23.114 | Yes |
| Hardware | westerndigital | my_cloud_ex2100 | - | No |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For westerndigital's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.