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CVE-2018-9104

20
FAUCET Score

CVE-2018-9104 describes a reflected cross-site scripting (XSS) vulnerability in the conferencing component of Mitel MiVoice Connect (versions R1707-PREM SP1 and earlier) and Mitel ST 14.2 (versions GA27 and earlier). This flaw, stemming from insufficient input validation on the api.php page, allows an unauthenticated attacker to execute arbitrary scripts. Rated as Medium severity (CVSS 6.1), the vulnerability requires user interaction (UI:R) but can be exploited remotely over the network (AV:N). A successful attack could lead to limited confidentiality and integrity impacts (C:L/I:L). There is no evidence of active exploitation, nor is public exploit code available (e.g., Metasploit, ExploitDB). The vulnerability has received minimal community discussion and media coverage, indicating low public attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 21.84.5535.0CPE matchmatch criteria
cpe:2.3:a:mitel:mivoice_connect:*:*:*:*:*:*:*:*
<= 19.49.5200.0CPE matchmatch criteria
cpe:2.3:a:mitel:st_14.2:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.1MEDIUM

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.05%
Probability of exploitation in next 30 days
EPSS Percentile
60.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0105 is in the 73rd percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

mitel.com / mitel-product-security-advisory-18-0003
Broken LinkVendor Advisory
mitel.com / sites/default/files/2018-Security-Bulletin-18-0003-001.pdf
Broken LinkVendor Advisory