What is CVE-2018-18420?

CVE-2018-18420 is a high-severity vulnerability in Tribalsystems Zenario, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-10-19.

How severe is CVE-2018-18420?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Tribalsystems Zenario

CVE-2018-18420

Cross-Site Request Forgery (CSRF) vulnerability was discovered in the 8.3 version of Zenario Content Management System via the admin/organizer.ajax.php?path=zenario__content%2Fpanels%2Fcontent URI.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2018-10-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 55.6% 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

Tribalsystems Zenario — versions 8.3

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

packetstormsecurity.com/files/149851/Zenar-Content-Management-System-8.3-Cross-… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2018-18420?: CVE-2018-18420 is a high-severity vulnerability in Tribalsystems Zenario, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-10-19.
How severe is CVE-2018-18420?: High severity. CVSS v3 base score is 8.8 out of 10.