cve-2026-65885

CRITICAL CVSS 9.4 nvd
Description

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.

Timeline
Published
2026-07-29
Last Modified
2026-10-23
CVSS Details
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
Affected Products
  • balbooa gridbox
Weaknesses (CWE)
CWE-434
CVSS metrics
Version Base Severity Vector Exploitability Impact Source
4.0 9.4 CRITICAL CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:A/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:X/V:X/RE:X/U:Red security@joomla.org
3.1 8.8 HIGH CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H 2.8 5.9 nvd@nist.gov
CPE configurations
OR
CPE Version range Vulnerable
cpe:2.3:a:balbooa:gridbox:*:*:*:*:*:joomla\!:*:* < 2.20.2 yes
NVD metadata
NVD status
Analyzed
Source identifier
security@joomla.org
References
Linked Vulnerabilities

No linked vulnerabilities found.

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  "datePublished": "2026-07-29T13:19:10.820",
  "dateUpdated": "2026-10-23T23:10:00.157",
  "description": "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.",
  "id": "CVE-2026-65885",
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      },
      {
        "lang": "es",
        "value": "Extensión de Joomla - balbooa.com - Carga de archivos arbitrarios autenticada en Gridbox anterior a 2.20.2 - Los métodos de carga de archivos permiten a los atacantes autenticados cargar archivos arbitrarios. Se convierte en una RCE autenticada si se combina con CVE-2026-65884, ya que la cuenta requerida puede ser creada por el atacante."
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            "integrityRequirement": "NOT_DEFINED",
            "modifiedAttackComplexity": "NOT_DEFINED",
            "modifiedAttackRequirements": "NOT_DEFINED",
            "modifiedAttackVector": "NOT_DEFINED",
            "modifiedPrivilegesRequired": "NOT_DEFINED",
            "modifiedSubAvailabilityImpact": "NOT_DEFINED",
            "modifiedSubConfidentialityImpact": "NOT_DEFINED",
            "modifiedSubIntegrityImpact": "NOT_DEFINED",
            "modifiedUserInteraction": "NOT_DEFINED",
            "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
            "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
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  "severity": "CRITICAL",
  "source": "nvd",
  "title": "Joomla Extension - balbooa.com - Authenticated arbitrary file upload in Gridbox < 2.20.2 - File upload methods allows..."
}
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