CVE-2026-66490

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

Published Jul 29, 2026 CVSS 3.1 · 6.1 Medium EPSS < 1% KEV · Not listed
Description
Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox < 2.20.2

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Balbooa.com
Balbooa.com gridbox Extension For Joomla
Vendors & Products Balbooa.com
Balbooa.com gridbox Extension For Joomla
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox < 2.20.2
Title Joomla Extension - balbooa.com - Stored cross-site scripting via a comment avatar in Gridbox < 2.20.2
Weaknesses CWE-79
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Joomla
Published
Updated
Aug 12, 2026, 1:52 PM
Reserved
Jul 27, 2026, 1:01 PM
Status
Analyzed
Published
Jul 29, 2026, 2:16 PM
Modified
Oct 23, 2026, 11:10 PM