A vulnerability in the Multimedia Email component of Mitel MiContact Center Business through 10.2.0.10 and Mitel CX through 1.1.0.1 could allow an unauthenticated attacker to conduct a Cross-Site Scripting (XSS) attack due to insufficient input validation. A successful exploit requires user interaction where the email channel is enabled. This could allow an attacker to execute arbitrary scripts in the victim's browser or desktop client application.
Conclusion & alert: CVE-2025-67823 is rated Low Risk (34.9/100): CVSS High severity, with low exploitation likelihood (EPSS 0.02%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-02-18 | 0.06% | 0.02% | -0.03% |
| 2 | 2026-02-16 | 0.02% | 0.06% | +0.04% |
| 3 | 2026-01-16 | — | 0.02% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.2 | 3.1 | HIGH |
|
2.8 | 4.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| mitel | cx | < 2.0 | cpe:2.3:a:mitel:cx:*:*:*:*:*:*:*:* |
| mitel | micontact_center_business | < 10.2.0.11 | cpe:2.3:a:mitel:micontact_center_business:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.mitel.com/support/security-advisories | Vendor Advisory |
| https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-misa-2025-0010 | Vendor Advisory |