Cyber Resilience

CVE-2022-22999

High

Published: 25 July 2022

Published
25 July 2022
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0062 70.4th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2022-22999 is a high-severity Cross-site Scripting (CWE-79) vulnerability in Westerndigital My Cloud Pr2100 Firmware. Its CVSS base score is 8.2 (High).

Operationally, ranked in the top 29.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

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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.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

westerndigital
my cloud pr2100 firmware
≤ 5.23.114
westerndigital
my cloud pr4100 firmware
≤ 5.23.114
westerndigital
my cloud ex4100 firmware
≤ 5.23.114
westerndigital
my cloud ex2 ultra firmware
≤ 5.23.114
westerndigital
my cloud mirror g2 firmware
≤ 5.23.114
westerndigital
my cloud dl2100 firmware
≤ 5.23.114
westerndigital
my cloud dl4100 firmware
≤ 5.23.114
westerndigital
my cloud ex2100 firmware
≤ 5.23.114

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-79

Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.

addresses: CWE-79

Validates web inputs to reject script-related content that could produce XSS.

addresses: CWE-79

Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.

References