XSS in Mitel St

CVE-2018-12901

A vulnerability in the conferencing component of Mitel ST 14.2, versions GA29 (19.49.9400.0) and earlier, could allow an unauthenticated attacker to conduct a reflected cross-site scripting (XSS) attack due to insufficient validation for the signin.php page. A successful exploit could allow an attacker to execute arbitrary scripts.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.011 (62.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-12901?
CVE-2018-12901 is a medium-severity vulnerability in Mitel St, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-10-23.
How severe is CVE-2018-12901?
Medium severity. CVSS v3 base score is 6.1 out of 10.