CVE-2026-77027 - Vulnerability Details - OpenCVE

Description

Joomla Extension - fabrikar.com - Unauthenticated stored XSS in Fabrik < 4.7.2 - The handling of user supplied input in the jsactions feature leads to an stored XSS vector.

Published: 2026-08-22

Score: 8.6 High

EPSS: n/a

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

fabrikar.com

Fabrik extension for Joomla

unaffected

Version	Status	Constraints
`1.0.0-4.7.1`	affected	—

No data.

No data.

No data available yet.

Remediation

No remediation available yet.

Tracking

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Advisories

No advisories yet.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Active

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.fabrikar.com/

History

Sat, 22 Aug 2026 14:30:00 +0000

Type	Values Removed	Values Added
Description		Joomla Extension - fabrikar.com - Unauthenticated stored XSS in Fabrik < 4.7.2 - The handling of user supplied input in the jsactions feature leads to an stored XSS vector.
Title		Joomla Extension - fabrikar.com - Unauthenticated stored XSS in Fabrik < 4.7.2
Weaknesses		CWE-79
References		https://www.fabrikar.com/
Metrics		cvssV4_0 `{'score': 8.6, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: Joomla

Published: 2026-08-22T14:21:49.927Z

Updated: 2026-08-22T14:21:49.927Z

Reserved: 2026-08-20T08:36:08.428Z

Link: CVE-2026-77027

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-08-22T15:16:23.150

Modified: 2026-08-22T15:16:23.150

Link: CVE-2026-77027

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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