What is CVE-2018-8720?

CVE-2018-8720 is a medium-severity vulnerability in Servicenow It Service Management, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-03-15.

How severe is CVE-2018-8720?

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

XSS in Servicenow It Service Management

CVE-2018-8720

ServiceNow ITSM 2016-06-02 has XSS via the First Name or Last Name field of My Profile (aka navpage.do), or the Search bar of My Portal (aka search_results.do).

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-03-15 · 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: 0.007 (49.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Servicenow It Service Management

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

packetstormsecurity.com/files/137427/ServiceNow-ITSM-Cross-Site-Scripting.html (VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2018-8720?: CVE-2018-8720 is a medium-severity vulnerability in Servicenow It Service Management, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2018-03-15.
How severe is CVE-2018-8720?: Medium severity. CVSS v3 base score is 5.4 out of 10.