CVE-2026-107903Joomla Extension - balbooa.com - Stored XSS in reviews via inconsistent sanitization in Gridbox < 2.20.5.0

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

8.6 HIGHEPSS 0.33%Not in KEVNVD: Awaiting Analysis

Last updated: 2026-11-06 20:20 UTC

OverviewCVSS details

8.6HIGHCVSS 4.0

Gridbox extension for Joomla (balbooa.com)

0.33%chance of exploitation in 30 days

Higher than 27.52% of CVEs

8.6High

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

8.3High

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

Overview

Score	Severity	Version	Vector String
8.6	HIGH	4.0Joomla (CNA)	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
8.3	HIGH	3.1CISA-ADP	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

CVE ID: CVE-2026-107903
Status: Awaiting Analysis
Assigner (CNA): Joomla
Published: Nov 5, 2026
Last modified: 2026-11-06 20:20 UTC
Weaknesses: CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Refreshed hourly from the sources above. Last fetched 2026-11-08 07:47 UTC.