CVE-2018-18420

Zenario CMS vulnerable to CSRF

8.8 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.82%Up 0.4 points since Apr 14, 2021

What each source reports

NVD Score used 8.8

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.

Record: CVE-2018-18420
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-352
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2018-18420
Updated: 2026-11-02

EUVDEUVD-2022-1880 No score

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.

Record: EUVD-2022-1880
Updated: 2026-11-03

GitHub AdvisoriesGHSA-22cq-xxr9-jrrv 8.8

Zenario CMS vulnerable to CSRF

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.

Record: GHSA-22cq-xxr9-jrrv
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-352
Updated: 2026-11-02

OSVGHSA-22cq-xxr9-jrrv 8.8

Zenario CMS vulnerable to CSRF

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.

Record: GHSA-22cq-xxr9-jrrv
CVSS 3.0: 8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-352
Updated: 2026-11-02

Affected products

tribalsystems zenario

Affected packages

Affected packages
Package	Affected	Fixed
`tribalsystems/zenario` Packagist	before 8.3	8.3
`tribalsystems/zenario` Packagist	All versions, plus listed versions 10.1.6339610.1.6450110.2.6450310.2.6452010.2.65087 Show 45 moreShow less 10.3.6509510.3.6724110.4.67250420857.5.404407.5.410067.5.414997.5.416337.5.420857.5.429907.5.471807.6.415047.6.416337.6.420857.6.429907.6.471807.7.426827.7.429637.7.429907.7.442237.7.471807.7.473697.7.485838.0.442378.0.442738.0.442948.0.445218.0.450328.0.452508.0.455298.0.471808.0.485838.1.455308.1.456988.1.460898.1.464338.1.466158.1.471808.1.473698.1.485838.2.464368.2.466148.2.471808.2.473698.2.47992	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-18420 is a high vulnerability (CVSS 8.8) in Tribalsystems Zenario, published October 19, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.82%, the 57th percentile. Fixed in tribalsystems/zenario 8.3.

References

This page doesn't list everything

Left out here: 50 versions. The JSON record has them.