CVE-2026-77992 PUBLISHED

Joomla Extension - fabrikar.com - heredoc terminator breakout in the calc element in Fabrik < 4.7.2

Assigner: Joomla
Reserved: 21.08.2026 Published: 22.08.2026 Updated: 22.08.2026

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.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score: 9.5

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	High
Attack Complexity	Low	Integrity	High	Integrity	High
Attack Requirements	Present	Availability	High	Availability	High
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	fabrikar.com
Product	Fabrik extension for Joomla
Versions	Default: unaffected Version 1.0.0-4.7.1 is affected

Credits

Phil Taylor, mysites.guru finder

References

https://www.fabrikar.com/

Problem Types

CWE-94 Improper Control of Generation of Code ('Code Injection') CWE