CVE-2025-27828

high

Description

A vulnerability in the legacy chat component of Mitel MiContact Center Business through 10.0.0.4, 10.1.0.0 through 10.1.0.5, and 10.2.0.0 through 10.2.0.4 could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient input validation. A successful exploit requires user interaction and could allow an attacker to execute arbitrary scripts with a limited impact on the confidentiality and the integrity.

References

https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-misa-2025-0003

https://www.mitel.com/support/security-advisories

Details

Source: Mitre, NVD

Published: 2025-06-24

Updated: 2025-06-24

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 7.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Severity: High

EPSS

EPSS: 0.00039