CVE-2026-77992
Received Received - Intake

fabrikar.com heredoc terminator breakout in Fabrik under 4.7.2

Publication date: 2026-08-22

Last updated on: 2026-08-22

Assigner: Joomla! Project

Description
Joomla Extension - fabrikar.com - heredoc terminator breakout in the calc element in Fabrik < 4.7.2 - The onUpdateComment endpoint did not perform any access checks.

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Meta Information

Published
2026-08-22
Last Modified
2026-08-22
Generated
2026-08-22
AI Q&A
2026-08-22
EPSS Evaluated
N/A
NVD
CVE-2026-77992
EUVD
EUVD-2026-64322

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
fabrikar calc to 4.7.2 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

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Executive Summary

This vulnerability affects the Joomla extension Fabrik, specifically versions before 4.7.2. It involves a heredoc terminator breakout in the calc element, allowing unauthorized access. The onUpdateComment endpoint lacks proper access checks, enabling potential exploitation.

Impact Analysis

An attacker could exploit this to gain unauthorized access to sensitive data or perform unauthorized actions within the Joomla environment. This may lead to data breaches, system compromise, or further lateral movement in affected systems.

Compliance Impact

This vulnerability could lead to unauthorized data access, violating GDPR's data protection principles or HIPAA's security requirements. Non-compliance may result in legal penalties, fines, or reputational damage due to exposed sensitive information.

Mitigation Strategies

Update Fabrik to version 4.7.2 or later to address the heredoc terminator breakout in the calc element and ensure the onUpdateComment endpoint performs proper access checks.

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