CVE-2022-22999: western_digital my_cloud_firmware Cross-site Scripting
Vulnerability summary
CVE-2022-22999 is a high (CVSS 8.2) Cross-site Scripting vulnerability in western_digital my_cloud_firmware. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.4% of scored vulnerabilities.
Timeline
- 25-07-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
30%
Versus all other CVEs
30-day change
+0.01 pp
From 0.37% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Westerndigital8 products
- my_cloud_dl2100_firmware< 5.23.114
- my_cloud_dl4100_firmware< 5.23.114
- my_cloud_ex2_ultra_firmware< 5.23.114
- my_cloud_ex2100_firmware< 5.23.114
- my_cloud_ex4100_firmware< 5.23.114
Western_digital1 product
- my_cloud_firmware≥ My Cloud OS 5, < 5.23.114
2 vendors · 9 products
References
1 links- www.westerndigital.com/support/product-security/wdc-22011-my-cloud-firmware-version-5-23-114X Refsource MISCVendor Advisory