What is CVE-2018-16759?

CVE-2018-16759 is a medium-severity vulnerability in Easycms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-09-09.

How severe is CVE-2018-16759?

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

XSS in Easycms

CVE-2018-16759

The removeXSS function in App/Common/common.php (called from App/Modules/Index/Action/SearchAction.class.php) in EasyCMS v1.4 allows XSS via an onhashchange event.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-09-09 · 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: 0.007 (51.7th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.7% 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

Easycms — versions 1.4

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

github.com/teameasy/EasyCMS/issues/4 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-16759?: CVE-2018-16759 is a medium-severity vulnerability in Easycms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-09-09.
How severe is CVE-2018-16759?: Medium severity. CVSS v3 base score is 6.1 out of 10.