---
title: "CVE-2026-102784: Joomla Extension balbooa.com Gridbox - Cross-Site Request Forgery"
description: "Joomla Extension balbooa.com Gridbox < 2.20.4.0 contains a cross-site request forgery caused by missing session token validation on GET requests in the addLanguage action, letting attackers perform unauthorized actions with victim's privileges, exploit requires victim to have core.tools permission."
url: https://panop.io/threat-heartbeat/CVE-2026-102784/
---

# CVE-2026-102784 Joomla Extension balbooa.com Gridbox - Cross-Site Request Forgery

Joomla Extension balbooa.com Gridbox < 2.20.4.0 contains a cross-site request forgery caused by missing session token validation on GET requests in the addLanguage action, letting attackers perform unauthorized actions with victim's privileges, exploit requires victim to have core.tools permission.

CVSS base score 8.7 /10

High

CISA KEV

Not listed

Public exploit

None known

Authentication

Not required

EPSS

0.17% chance of exploitation in 30 days

[View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-102784)

## Details

Type

Cross-Site Request Forgery

Impact

Broken Access Control

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Published

8 October 2026

Updated

15 October 2026

Weakness

[CWE-352](https://cwe.mitre.org/data/definitions/352.html)

## Vendor fix

Update to version 2.20.4.0 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

## References

- [https://nvd.nist.gov/vuln/detail/CVE-2026-102784](https://nvd.nist.gov/vuln/detail/CVE-2026-102784)
- [https://www.balbooa.com/gridbox](https://www.balbooa.com/gridbox)

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## What this record can't tell you

- Whether you run the affected software, and where
- Whether an attacker can actually reach and exploit it
- The misconfigurations that never get a CVE number
- What it would cost the business, ranked into what to fix first

Panop answers these inside your environment, for this CVE and every other finding.

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