Strix
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CVE-2025-67823

HIGHCVSS 8.2/10EPSS 0.29%

Last modified

CVE-2025-67823 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. 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. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
8.2/10

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

EPSS Probability
0.29%

20.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MitelCx< 2.0
MitelMicontact Center Business< 10.2.0.11

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-67823?
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.
How severe is CVE-2025-67823?
CVE-2025-67823 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.
How do I fix CVE-2025-67823?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-67823?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST