CVE-2026-107903

Joomla Extension - balbooa.com - Stored XSS in reviews via inconsistent sanitization in Gridbox < 2.20.5.0

Published Nov 5, 2026 CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Description
Joomla Extension - balbooa.com - Stored XSS in reviews via inconsistent sanitization in Gridbox < 2.20.5.0

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics ssvc

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

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': 8.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L'}

Type Values Removed Values Added
Description Joomla Extension - balbooa.com - Stored XSS in reviews via inconsistent sanitization in Gridbox < 2.20.5.0
Title Joomla Extension - balbooa.com - Stored XSS in reviews via inconsistent sanitization in Gridbox < 2.20.5.0
Weaknesses CWE-79
References
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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Joomla
Published
Updated
Nov 6, 2026, 4:39 AM
Reserved
Oct 9, 2026, 4:41 AM
Status
Awaiting Analysis
Published
Nov 5, 2026, 6:17 PM
Modified
Nov 6, 2026, 8:20 PM