Unauthenticated Stored XSS Vulnerability in Fabrik Joomla Extension
CVE-2026-77027

8.6HIGH

Key Information:

Vendor

Fabrikar.com

Status
Fabrik Extension For Joomla
Vendor
CVE Published:
22 August 2026

What is CVE-2026-77027?

The Fabrik Joomla extension is susceptible to an unauthenticated stored cross-site scripting (XSS) vulnerability. This issue arises from improper handling of user-supplied input within the jsactions feature, allowing attackers to inject malicious scripts that can be executed in the context of a user's browser. Successful exploitation may lead to unauthorized access to sensitive information and compromise site integrity.

Affected Version(s)

Fabrik extension for Joomla 1.0.0-4.7.1

References

https://www.fabrikar.com/
product

CVSS V4

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.