How severe is CVE-2017-14321?

CVE-2017-14321 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-14321 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-14321?

CVE-2017-14321 affects Mirasvit Helpdesk Mx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-14321?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-14321 published?

CVE-2017-14321 was published on 2017-09-21 and last updated on 2026-06-17.

CVE-2017-14321

CVE-2017-14321 is a medium-severity vulnerability in Mirasvit Helpdesk Mx with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mirasvit Helpdesk Mx
Published: 2017-09-21
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2017-14321?: CVE-2017-14321 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-14321 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14321?: CVE-2017-14321 affects Mirasvit Helpdesk Mx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-14321?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-14321 published?: CVE-2017-14321 was published on 2017-09-21 and last updated on 2026-06-17.

References

https://www.webshield.hu/vulnerabilities-found-webshield.html

Affected products (1)

cpe:2.3:a:mirasvit:helpdesk_mx:*:*:*:*:*:*:*:*

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