What is CVE-2025-27828?

CVE-2025-27828 is a high-severity vulnerability in N/a, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-06-24.

How severe is CVE-2025-27828?

High severity. CVSS v3 base score is 7.1 out of 10.

XSS in N/a

CVE-2025-27828

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (28.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N.

Affected products

N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2025-27828?: CVE-2025-27828 is a high-severity vulnerability in N/a, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-06-24.
How severe is CVE-2025-27828?: High severity. CVSS v3 base score is 7.1 out of 10.