EUVD Vulnerability Catalog

EUVD-2026-55159

Severity: CRITICAL Base Score: 10 CVSS Version: 4.0

Vulnerability Description

Joomla Extension - fabrikar.com - Remote code execution in Fabrik < 4.7.2 - An unauthenticated attacker could execute arbitrary code by using the ajax_calc feature of the calc plugin.

CVSS Vector Analysis

Below is the complete, human-readable breakdown of the CVSS metric string: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

▪ Attack Vector (AV): Network

▪ Attack Complexity (AC): Low

▪ Attack Requirements (AT): None

▪ Privileges Required (PR): None

▪ User Interaction (UI): None

▪ Vulnerability Confidentiality Impact (VC): High

▪ Vulnerability Integrity Impact (VI): High

▪ Vulnerability Availability Impact (VA): High

▪ Subsequent Confidentiality Impact (SC): High

▪ Subsequent Integrity Impact (SI): High

▪ Subsequent Availability Impact (SA): High

Affected Vendors & Systems

Vendor fabrikar.com

References & Advisory Links

https://www.fabrikar.com/

Metadata Profile

Database Authority

European Union Agency for Cybersecurity (ENISA) EUVD

Assigner

Joomla

EPSS Probability

0.6

Known Aliases

CVE-2026-66915 GHSA-ch8m-c7x9-7r7f

Published On

2026-08-10

Last Updated

2026-08-22