XSS in Broadcom VMware Nsx

CVE-2025-22243

VMware NSX Manager UI is vulnerable to a stored Cross-Site Scripting (XSS) attack due to improper input validation.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:H.

EPSS exploit prediction

EPSS: 0.003 (24.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 24.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-22243: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-22243?
CVE-2025-22243 is a high-severity vulnerability in Broadcom VMware Nsx, classified under Cross-site Scripting. CVSS score: 7.5/10. Published 2025-06-04.
How severe is CVE-2025-22243?
High severity. CVSS v3 base score is 7.5 out of 10.