CVE-2025-27828

HIGH
7.1
CVSS Score
Published: June 24, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 09:04 AM UTC
1 product affected across 1 vendorMicontact Center Business

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Severity
HIGH7.1
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 10.0.0.410.1.0.0 ≤ v ≤ 10.1.0.510.2.0.0 ≤ v ≤ 10.2.0.4

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.1HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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