How severe is CVE-2018-18420?

CVE-2018-18420 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-18420 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18420?

CVE-2018-18420 affects Tribalsystems Zenario. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18420?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-18420 published?

CVE-2018-18420 was published on 2018-10-19 and last updated on 2026-06-17.

CVE-2018-18420

CVE-2018-18420 is a high-severity vulnerability in Tribalsystems Zenario with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Tribalsystems Zenario
Published: 2018-10-19
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2018-18420?: CVE-2018-18420 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-18420 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18420?: CVE-2018-18420 affects Tribalsystems Zenario. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18420?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-18420 published?: CVE-2018-18420 was published on 2018-10-19 and last updated on 2026-06-17.

References

http://packetstormsecurity.com/files/149851/Zenar-Content-Management-System-8.3-Cross-Site-Request-Forgery.html

Affected products (1)

cpe:2.3:a:tribalsystems:zenario:8.3:*:*:*:*:*:*:*

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