What is CVE-2017-14321?

CVE-2017-14321 is a medium-severity vulnerability in Mirasvit Helpdesk Mx, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-09-21.

How severe is CVE-2017-14321?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Is CVE-2017-14321 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Mirasvit Helpdesk Mx

CVE-2017-14321

Multiple cross-site scripting (XSS) vulnerabilities in the administrative interface in Mirasvit Helpdesk MX before 1.5.3 allow remote attackers to inject arbitrary web script or HTML via the (1) customer name or (2) subject in a ticket.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-09-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.1th percentile), scored 2026-10-07.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 47.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Mirasvit Helpdesk Mx

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

www.webshield.hu/vulnerabilities-found-webshield.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2017-14321?: CVE-2017-14321 is a medium-severity vulnerability in Mirasvit Helpdesk Mx, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-09-21.
How severe is CVE-2017-14321?: Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2017-14321 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.