# CVE-2026-102788: Joomla Gridbox extension SQL injection in product sorting

Source: https://junglewise.ai/threats/cve-2026-102788-joomla-extension-balbooa-com-unauthenticated-sql-injection-in  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-27. Updated: 2026-10-27  
License: CC BY 4.0 with a link back

CVE-2026-102788 · Severity: info · Published 2026-10-27

Gridbox is a website builder extension for Joomla that includes e-commerce functionality. An unauthenticated attacker can inject SQL commands through the product list sorting parameter, potentially allowing unauthorized data access or database manipulation on affected Joomla sites.

Technologies: [Balbooa Gridbox](https://junglewise.ai/threats/technologies/gridbox). Vendors: [Balbooa](https://junglewise.ai/threats/vendors/balbooa).

## Quick answers

**Is CVE-2026-102788 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-102788 being exploited in the wild.

**How severe is CVE-2026-102788?** Informational severity, published 27 October 2026.

**Which products and versions are affected?** Balbooa Gridbox before 2.20.4.2.

**Is there a fix for CVE-2026-102788?** Yes: fixed in 2.20.4.2. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2026-102788 attacked?** It is attacked over the network, in a software library.

**Am I affected by CVE-2026-102788?** Check whether you run Balbooa Gridbox at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- Fixed in 2.20.4.2

## Technical details

An unauthenticated SQL injection vulnerability exists in Gridbox versions before 2.20.4.2, where the sort-by URL parameter on store product list pages is passed to GridboxHelper::getBlogPosts() without proper validation. The parameter is prefixed with a table alias and directly inserted into an ORDER BY clause, allowing an attacker to inject arbitrary SQL when the parameter value does not match known sorting keys.

## Affected products

- balbooa Gridbox before 2.20.4.2

## Timeline

- 2026-10-27: disclosed

## References

- [https://www.balbooa.com/gridbox](https://www.balbooa.com/gridbox)

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