What is CVE-2018-16965?

CVE-2018-16965 is a medium-severity vulnerability in Zohocorp Manageengine Supportcenter Plus, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-09-21.

How severe is CVE-2018-16965?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Zohocorp Manageengine Supportcenter Plus

CVE-2018-16965

In Zoho ManageEngine SupportCenter Plus before 8.1 Build 8109, there is HTML Injection and Stored XSS via the /ServiceContractDef.do contractName parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-09-21 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.025 (85.0th percentile), scored 2026-10-30.

Low probability of exploitation in the next 30 days, but still tracked. 85th percentile — 85.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.025 · newest: 0.025 · change: 0.000

Affected products

Zohocorp Manageengine Supportcenter Plus

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

packetstormsecurity.com/files/149438/ManageEngine-SupportCenter-Plus-8.1.0-Cros… (VDB Entry, Third Party Advisory)
pitstop.manageengine.com/portal/community/topic/supportcenter-plus-version-8-1-… (Vendor Advisory)

Frequently asked questions

What is CVE-2018-16965?: CVE-2018-16965 is a medium-severity vulnerability in Zohocorp Manageengine Supportcenter Plus, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-09-21.
How severe is CVE-2018-16965?: Medium severity. CVSS v3 base score is 6.1 out of 10.