Vulnerability · Published Nov 5, 2026 · Assigned by Joomla

CVE-2026-105607Joomla Extension - balbooa.com - Unauthenticated stored XSS in the "Recent Comments / Recent Reviews" widget in Gridbox < 2.20.5.0

High 8.3

In plain English

A high-severity cross-site scripting in Gridbox extension for Joomla from balbooa.com. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).

Severity (CVSS 3.1)8.3High
Exploit odds (30 days)0.3%top 76.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Joomla Extension - balbooa.com - Unauthenticated stored XSS in the "Recent Comments / Recent Reviews" widget in Gridbox < 2.20.5.0

Affected products (as reported)

VendorProductVersions
balbooa.com Gridbox extension for Joomla 1.0.0-2.20.4.2

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L

References