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Fencer Vulns
medium 4.3

CVE-2025-41228 json

VMware ESXi and vCenter Server Reflected Cross Site Scripting (XSS) Vulnerability

published 2025-05-20 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-15830

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 59%
public exploits
1
Exploit-DB

Summary

VMware ESXi and vCenter Server contain a reflected cross-site scripting vulnerability due to improper input validation. A malicious actor with network access to the login page of certain ESXi host or vCenter Server URL paths may exploit this issue to steal cookies or redirect to malicious websites.

Patch / fix

  • VMware vCenter Server 8.0 U3e
  • VMware ESXi ESXi70U3sv-24723868, ESXi80U3se-24659227

Timeline

  1. Published
  2. First public exploit (EDB-52406)

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
17 mo ago

Exploit prediction

0.90% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-52406 VMware vSphere Client 8.0.3.0 - Reflected Cross-Site Scripting (XSS) webapps, 2025-08-11

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Affected products

  • VMware vCenter Server
  • VMware Cloud Foundation
  • VMware Telco Cloud Platform
  • VMware Telco Cloud Infrastructure
  • VMware ESXi

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.