CVE-2026-65885: gridbox before 2.20.2 (exclusive); +1 more affected products

CVE-2026-65885. CVSS 3.1 base score 8.8 (HIGH, NVD). EPSS 0.00521 (percentile 0.434), scored 22-Oct-2026.

Affected technology

gridbox · before 2.20.2 (exclusive)
balbooa

Gridbox extension for Joomla · 1.0.0-2.20.1
balbooa.com

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · High privileges required · No user interaction required

What an attacker can do

Authenticated attackers can upload arbitrary files. Vendor/CNA’s CVSS 4.0 assessment (base score 9.4/10) rates confidentiality, integrity and availability impact as high.

Published 24-Oct-2026 01:43 UTC

CWE: CWE-434
CCR priority: 35.3 /100 (P4)
CVSS 3.1: 8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H · NVD
EPSS: 0.00521 · percentile 0.434 · 2026-10-22
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-24 01:40:49.068977+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-65885.html