CVE-2026-66490

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CVSS 3.1

6.1 medium

EPSS

<1%p5

Published

Jul 29, 2026 (Jul 29, 2026)

Modified

Aug 5, 2026

Description

Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox < 2.20.2

Vendors: balbooa
Products: gridbox
Ecosystems: Joomla
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.2%)

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