Balbooa: >> Gridbox Security Vulnerabilities
Joomla Extension - balbooa.com - Authenticated arbitrary file upload in Gridbox < 2.20.2 - File upload methods allows authenticated attackers to upload arbitrary files. Turns into an authenticated RCE if combined with CVE-2026-65884 as the required account can be created by the attacker.
CVSS Score
9.4
EPSS Score
0.003
Published
2026-07-29
The Balbooa Gridbox extension version 2.4.0 and previous versions for Joomla! is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability via a crafted URL to execute script in a victim's Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
CVSS Score
6.1
EPSS Score
0.194
Published
2018-06-14
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