What is CVE-2018-16704?

CVE-2018-16704 is a medium-severity vulnerability in Gleeztech Gleezcms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2018-09-07.

How severe is CVE-2018-16704?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Gleeztech Gleezcms

CVE-2018-16704

An issue was discovered in Gleez CMS v1.2.0. Because of an Insecure Direct Object Reference vulnerability, it is possible for attackers (logged in users) to view profile page of other users, as demonstrated by navigating to user/3 on demo.gleezcms.org.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2018-09-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (54.1th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Gleeztech Gleezcms — versions 1.3.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

github.com/gleez/cms/issues/801 (Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2018-16704?: CVE-2018-16704 is a medium-severity vulnerability in Gleeztech Gleezcms, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2018-09-07.
How severe is CVE-2018-16704?: Medium severity. CVSS v3 base score is 4.3 out of 10.